Relevant bibliographies by topics / Barges

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Barges'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Barges"

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Raju, Rahul Dev, and Madasamy Arockiasamy. "Coastal Protection Using Integration of Mangroves with Floating Barges: An Innovative Concept." Journal of Marine Science and Engineering 10, no. 5 (April 30, 2022): 612. http://dx.doi.org/10.3390/jmse10050612.

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Mangroves and moored barges are used individually for coastal protection and beach restoration. This conceptual paper discusses about the integration of mangroves with moored floating barges for coastal protection. The concept involves towing of a barge to a particular location, mooring it to the seafloor and planting mangroves along the shore or beach. The barges will be unmoored and towed away once the mangroves attain certain growth and are well rooted in the soil. Mangroves can protect the beach from incoming waves using their roots and branches. The incoming waves can be reduced by 50% to 99% using mangroves of 500 m width. Mangroves have a life span of 20–100 years, and they do not need any yearly maintenance as do any other conventional coastal protection measures. Mangroves are considered as soft coastal protection structures and are environmentally friendly. Mangroves will also improve the aesthetic appearance of the beach. This paper discusses about some of the research methodologies for the development of the barge-assisted mangroves coastal protection method. The dimensions of the barge, gap width between the moored barges and the environmental condition at the location determines the performance of the barge-assisted mangroves coastal protection method. The gap width between the barges, draft of the barge and breadth of the barge influence the resonant frequency of the fluid between the barges. The shielding effect of the floating barges can be used for other applications, such as berthing of ships and growing living shorelines using oysters, rocks, sand, plants, coir, etc. for coastal protection.
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McKernan, J. Cameron. "OPA 90: Double-Hull Tank Barges—A Small Pacific Northwest Barge Builder’s Experience." Journal of Ship Production and Design 27, no. 01 (February 1, 2011): 14–25. http://dx.doi.org/10.5957/jspd.2011.27.1.14.

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This paper describes the 18 double-hull oil tank barges built by a Portland, OR, barge builder since 1993. Of the 18 barges, there are 7 completely different designs. This builder had previously built many single-hull tank barges. This paper records the experiences of this builder during development of the new designs and the constructing of the barges to conform to the new OPA 90 Regulations.
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Łebkowski, Andrzej, and Wojciech Koznowski. "Modeling of an Autonomous Electric Propulsion Barge for Future Inland Waterway Transport." Energies 16, no. 24 (December 14, 2023): 8053. http://dx.doi.org/10.3390/en16248053.

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International trade is continuously rising, leading to an increase in the flow of goods passing through transportation hubs, including air and sea. In addition, the aging fleet of inland vessels necessitates renewal through the construction of new vessels, presenting opportunities for the adoption of modern transport technologies. Autonomous barges can transport bulk and containerized cargo between the central port of a specific region and smaller satellite ports, enabling the dispersal of goods over a wider area. Equipping autonomous barges with advanced sensors, such as LIDAR, computer vision systems that operate in visible light and thermal infrared, and incorporating advanced path finding and cooperation algorithms may enable them to operate autonomously, subject only to remote supervision. The purpose of this study is to explore the potential of autonomous electric propulsion barges in inland waterway transport. Given the increasing demand for efficient and sustainable transport solutions as a result of various new policies, which have set new ambitious goals in clean transportation, this study aims to develop a proposition of an electric propulsion hybrid drive inland waterway barge, and compare it to a conventional diesel-powered barge. The methodology involves the creation of a simulation model of an inland waterway class IV electric barge, equipped with advanced sensors and autonomous control systems. The barge’s navigation is managed through a multi-agent system, with evolutionary algorithms determining a safe passage route. This research also utilizes a proprietary networked ship traffic simulator, based on real inland vessel recorded routes, to conduct the autonomous navigation study. The energy consumption of the barge on a route resulting from the ship traffic simulation is then examined using the mathematical model using the OpenModelica package. As a result of the study, the proposed hybrid propulsion system achieved a 16% reduction in fuel consumption and CO2 emissions, while cutting engine operation time by more than 71%. The findings could provide valuable insights into the feasibility and efficiency of autonomous electric propulsion barges, potentially helping future developments in inland waterway transport.
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Lindwasser, O. Wolf, and Marilyn D. Resh. "Multimerization of Human Immunodeficiency Virus Type 1 Gag Promotes Its Localization to Barges, Raft-Like Membrane Microdomains." Journal of Virology 75, no. 17 (September 1, 2001): 7913–24. http://dx.doi.org/10.1128/jvi.75.17.7913-7924.2001.

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ABSTRACT The Gag polyprotein of human immunodeficiency virus type 1 (HIV-1) organizes the assembly of nascent virions at the plasma membrane of infected cells. Here we demonstrate that a population of Gag is present in distinct raft-like membrane microdomains that we have termed “barges.” Barges have a higher density than standard rafts, most likely due to the presence of oligomeric Gag-Gag assembly complexes. The regions of the Gag protein responsible for barge targeting were mapped by examining the flotation behavior of wild-type and mutant proteins on Optiprep density gradients. N-myristoylation of Gag was necessary for association with barges. Removal of the NC and p6 domains shifted much of the Gag from barges into typical raft fractions. These data are consistent with a model in which multimerization of myristoylated Gag proteins drives association of Gag oligomers into raft-like barges. The functional significance of barge association was revealed by several lines of evidence. First, Gag isolated from virus-like particles was almost entirely localized in barges. Moreover, a comparison of wild-type Gag with Fyn(10)Gag, a chimeric protein containing the N-terminal sequence of Fyn, revealed that Fyn(10)Gag exhibited increased affinity for barges and a two- to fourfold increase in particle production. These results imply that association of Gag with raft-like barge membrane microdomains plays an important role in the HIV-1 assembly process.
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Perijoc, Dumitru-Silviu, and Leonard Domnisoru. "STRUCTURAL EVALUATION OF AN INLAND BARGE STRUCTURE UNDER FORE AREA GROUNDING IMPACT LOADS." International Journal of Modern Manufacturing Technologies 15, no. 3 (December 20, 2023): 117–24. http://dx.doi.org/10.54684/ijmmt.2023.15.3.117.

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The inland shipping industry has a long history of utilizing barges for transportation purposes. However, due to their design and navigation conditions, barges are susceptible to impact damage when navigating through inland waterways. In this study, the authors investigated the effects of a grounding impact on the fore area of a barge structure. The analysed finite element model has been developed with a high structural fidelity representation of a typical inland navigation barge of 3000 DWT. The specific fore area of the barge was subjected to a range of grounding impact scenarios, and the response was analysed using 3D FEM simulations. The results of the study include external force, total internal deformation energy, maximum recorded von Mises stress, and stress triaxiality factor. This study provides valuable insights into the behaviour of barges subjected to foregrounding impact scenarios. The results of the study are intended to be used by shipbuilding structural designers to develop safer and more robust barge hulls that are less susceptible to impact damage. Furthermore, the results of the study can also be used to inform regulations and guidelines for the maritime industry, to improve the safety and reliability of barge transportation.
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Sihombing, Irene Lestari, and Jance Murdjani Supit. "PRODUKVITAS ALAT ANGKUT UNTUK PEMUATAN NIKEL KE TONGKANG PT GAG NIKEL DISTRIK WAIGEO BARAT KEPULAUAN KABUPATEN RAJA AMPAT PROVINSI PAPUA BARAT." INTAN Jurnal Penelitian Tambang 3, no. 2 (April 1, 2022): 125–28. http://dx.doi.org/10.56139/intan.v3i2.64.

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PT. Gag Nikel sales its product in the form of mix laterite with 1.8% nickel content. The shipping of the product conducted by transportation contractor PT. Sinar Terang Mandiri using nickel shipping barges. There are two barges used, Bisai barge and Seadragon barge. The planed loading capacity of Bisai barge is 13,000 MT in 3 days loading time while Seadragon barge is 8,000 MT in 2 days loading time. Thus, using 89 dump trucks per day, the working time rate of the Bisai barge is 6.95 hours/day while Sedragon barge is 4.92 hours/day. However, the actual loading capacity of Bisai barge is 12,550.27 MT in 4 days loading time while Seadragon barge is 7,528.64 MT in 3 days loading time. In as much, the loading efficiency is less than 100%. This issue most likely due to the utilization of the dump trucks, thus loading time efficiency using the dump trucks should be evaluate to understand the cause and find the solutions.
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Tabaczek, Tomasz, Jan Kulczyk, and Maciej Zawiślak. "Analysis of hull resistance of pushed barges in shallow water." Polish Maritime Research 14, no. 1 (January 1, 2007): 10–15. http://dx.doi.org/10.2478/v10012-007-0002-4.

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Analysis of hull resistance of pushed barges in shallow water These authors performed a set of numerical calculations of water flow around pushed barges differing to each other by bow forms. The calculations were executed by means of FLUENT computer software. Turbulent free-surface flow of viscous liquid was considered. In this paper the calculated values of barge hull resistance split into bow, cylindrical and stern part components, have been compared and presented.
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Hong, Chunbeom, and Sangmin Lee. "A Study on Barge-Bank Interaction Forces Considering the Reflected Waves." Journal of Marine Science and Engineering 8, no. 6 (June 19, 2020): 451. http://dx.doi.org/10.3390/jmse8060451.

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Because of the relative location between the ship and the bank, the fluid flow becomes complicated such that unstable hydrodynamic forces result in the yaw movement of the ship in an unintended direction. To consider the nonlinear effect, this study calculated the lateral force and yaw moment of barges with different shapes in confined waters, using computational fluid dynamics (CFD). We analyzed the effect of the reflected waves from the bank on the barges. The sway force tended to increase as both barges became closer to the bank, because it worked as a suction force that pulled them toward the closest bank. The yaw moment increased as the barges became closer to the bank, regardless of the shape of the bow. At y′ = 0.2B, when the barges were at the closest to the bank, it rapidly soared. The wave pattern showed that the diverging waves from the shoulder did not disperse, and were blocked by the bank and returned to the ship; such phenomena resulted in changing the hydrodynamic force on the barge. It is determined that the effect of free surface must be considered when conducting a comprehensive analysis of the bank effect when the ship is close to the bank.
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Atok Wijaya, Ali Azhar, and Maha Rizqi Karunia Ilahi. "Barge Planning for Covid-19 Patient Isolation." BAITA Engineering: Journal of Naval Architecture and Marine Engineering 2, no. 1 (July 12, 2023): 21–27. http://dx.doi.org/10.30649/baitaengineering.v1i1.14.

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The ship is a means of water transportation that is widely used, one of its functions is to transport passengers. Barge is a type of ship with a flat hull or a large floating box, barges generally do not have a propulsion system but nowadays many barges have a propulsion system which is usually called a Self Propelled Barge. While barges are usually used to transport dry bulk goods or liquid bulk or recently also used to transport containers in connection with short sea shipping. So that in this study the aim is to design a general plan for room arrangement for the isolation room for COVID-19 patients. the need to design a room arrangement for the isolation room for covid-19 patients and the need to know the number of patients that can be brought. Equipped with several safety components, medical equipment, hospital facilities or a preventive measure that must exist in an emergency condition. The safety components on board must be managed as well as possible and must go through inspection procedures before being installed on the ship. This serves to ensure that everything is in good and optimal condition. This research will provide methods of data collection, design of plain lines and general plans, determination of load space capacity. The results obtained are barges with a capacity Alternative 1 patients amounted to 32 people and alternative 2 amounted to 48 people. From this capacity, the stability of the ship has met the requirements.
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Peeters, Gerben, Senne Van Baelen, Gökay Yayla, Tim Catoor, Muhammad Raheel Afzal, Christos Christofakis, Robrecht Louw, et al. "Decoupled Hydrodynamic Models and Their Outdoor Identification for an Unmanned Inland Cargo Vessel with Embedded Fully Rotatable Thrusters." Journal of Marine Science and Engineering 8, no. 11 (November 7, 2020): 889. http://dx.doi.org/10.3390/jmse8110889.

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Expanding the automation level of the freshly introduced fleet of self-propelled Watertruck+ barges, which house fully-rotatable embedded thrusters, might increase their ability to compete with their less sustainable but dominating road-based alternatives. Hydrodynamic motion models, which reveal the manoeuvring capabilities of these barges, can serve as inputs for many pieces of this automation puzzle. No identified motion models or hydrodynamic data seem to be publicly available for the hull design and the novel actuation system configuration of these barges. Therefore, this study offers: (i) decoupled motion model structures for these barges for surge, sway, and yaw, with a focus on the thruster and damping models; (ii) two identification procedures to determine these motion models; (iii) all the experimental data, generated outdoors with a scale model barge to identify (i) based on (ii). In addition, the identified surge models were compared with both computational and empirical data. These comparisons offer more physical insights into the identified model structures and can aid in the model selection for which the desired complexity and accuracy evidently depend on their envisaged application. Finally, this methodology need not be limited to the vessel and actuation types utilised by us.
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More sources

Dissertations / Theses on the topic "Barges"

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Mathisen, Sindre. "Design criteria for offshore feed barges." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18480.

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The fish farming industry faces some problems for the future as the escaping of fish and fish lice. One solution to these problems could be to move the farms further offshore. The main focus of the industry is on the cages the fish is held in, but the feed barge is the brain of a fish farm. Before offshore fish farming is an acceptable solution for the future the design criteria for the feed barge has to be sufficient for more exposed areas.Some regulations both for fish farming and the oil industry have been evaluated. The conclusion from the evaluation of the regulations is that the regulation for floating fish farms is the least strict regulation. The purpose of this report is to enlighten the need for new thinking for design criteria for offshore feed barges by doing a hydrodynamic analysis in HydroD by using WADAM and potential theory applied to a panel model. The computer program is a recognized program developed by DNV. The model in this report is a design which is believed to be the best design for exposed areas. The model is analyzed in both hydrostatic and hydrodynamic conditions. The hydrostatic analyses conclude that the barge is stable and valid for operation in Norwegian waters. For the hydrodynamic analysis it as assumed two different locations with different wave data to enlighten the need to design a barge to a specific location. There is also assumed extra restoring as simulation of mooring. The result from the hydrodynamic analyses is used to evaluate the required freeboard for each location and the motions and accelerations of the barge. The results show that the barge in both locations will experience water on deck already for significant wave height of 2 meters, which actually is low even for the regulations today. The rotation and acceleration results are compared against limits for human tolerance and they show that there is a need for evaluating this in the design criteria.The conclusion is that the regulation valid today for fish farming is insufficient for offshore fish farming and that it is possible to look towards the offshore industry for leads on how the regulations should be formed. For the future it would be appropriate to change the design criteria and design of the feed barge if the fish farming is to be moved further offshore.
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Brunes, Sebastian. "Apartment Barges : Aa Comfort and Safety Analysis." Thesis, KTH, Aeronautical and Vehicle Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11035.

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This report presents the results of a study of the comfort and safety concerning apartment barges. The most common discomforts are due to vertical and lateral accelerations and high roll angles which are thorough described. A rough risk analysis for apartment barges is performed. If a certain risk is high and it is impossible to eliminate or reduce the probabilities of occurrence, precautions to minimise the consequences are described. The iterative planning process described briefly below is used on the two example projects: Bällstaviken and Pampas Marina.

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Douma, A. M. "Aligning the operations of barges and terminals through distributed planning." Enschede : University of Twente [Host], 2008. http://doc.utwente.nl/60220.

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Tramoni, Marie-Pierre. "Etude expérimentale et théorique du roulis des barges a la résonance." Nantes, 1992. http://www.theses.fr/1992NANT2060.

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Une étude théorique et expérimentale du mouvement des barges utilisées en offshore pétrolier a été réalisée. La défaillance de la théorie potentielle linéarisée pour le calcul du mouvement de roulis de ces bateaux a été imputée à l'émission de tourbillons et a la non-linéarité des efforts excitateurs. Dans le but d'évaluer la part respective prise au mouvement par ces deux effets, une analyse expérimentale et une étude numérique ont été réalisées. Les deux campagnes d'essais en canal à houle ont permis d'étudier l'influence des paramètres géométriques sur le mouvement. Les simulations numériques ont été destinées à tester l'impact de la modélisation des phénomènes non-linéaires sur le calcul des mouvements
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JUNIOR, MAURO AUGUSTO MARTINS. "RISK-BASED MAINTENANCE AND INSPECTION APPLIED TO OFFSHORE SERVICE BARGES: PROPOSITION OF A METHOD FOR DECISION-MAKING." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2012. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=22103@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
A Manutenção e Inspeção Baseada em Risco (IBR) compreende a utilização de ferramentas de cálculo de engenharia como análise estrutural por elementos finitos, análise de corrosão e fadiga, análise de risco e confiabilidade estrutural, de forma integrada, a fim de elaborar os planos de inspeção de maneira racional otimizada. No caso de inspeção de balsas para serviço offshore, particularmente da estrutura do convés principal da balsa, técnicas de análise de risco podem ser aplicadas para que se possam determinar os intervalos de inspeção de cada elemento da estrutura. Como resultado final, tem-se um plano de inspeção otimizado e aplicado à realidade estrutural da unidade. A presente dissertação tem por objetivo propor um método de predição baseado em IBR para aperfeiçoamento de processos de tomada de decisão referentes à manutenção de balsas para serviço offshore de uma grande empresa brasileira do setor de petróleo e gás natural. Apresenta-se um estudo de caso focalizando uma aplicação do método de predição em uma das balsas de serviço offshore da empresa – a Balsa de Serviço 3 (BS-3). Os resultados do estudo de caso permitem afirmar que a adoção de ferramentas de inspeção baseada em risco podem aumentar o TLV (Tempo Limite de Vida) das balsas de serviço offshore. Como consequência, os benefícios potenciais são: redução das incertezas associadas; identificação de avarias devido à deterioração estrutural; redução de custos de manutenção; e, principalmente, diminuição do tempo da paralisação das balsas de serviço.
Risk-Based Inspection (RBI) involves the use of engineering calculation tools such as finite element structural analysis, corrosion and fatigue analysis, risk analysis and structural reliability in an integrated framework, in order to develop inspection plans in a rational and optimized manner. RBI attempts to map the structure degradation curve, in deterministic or probabilistic way. Once defined the degradation curve for the different areas of the structure, risk analysis techniques are applied to determine inspection intervals concerning each element of the structure. As final result, it is possible to obtain an optimized inspection plan applied to the structural reality of the unit. The objective of this dissertation is to propose a prediction method, based on RBI, to improve the decision-making process focusing on maintenance of offshore service barges of a large oil and gas company in Brazil. It presents a case study concerning an application of this prediction method in one of the offshore service barges of this company – Offshore Service Barge 3 (BS-3). The results show that the adoption of preventive inspections can enlarge the TLV (Time Limit of Life) of this type of unit. As a consequence, the potential benefits are: reduction of uncertainties; identification of faults due to structural deterioration; maintenance costs reduction; and, decreasing of time breakdowns concerning barge services.
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Twine, Karen Gemma. "Conservation of barbel (Barbus barbus) in the River Great Ouse." Thesis, University of Hull, 2013. http://hydra.hull.ac.uk/resources/hull:8222.

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There have been growing fears relating to the distribution and a perceived lack in natural recruitment of barbel in European rivers. This project reviewed existing literature, examined the suitability of Environment Agency data to assess barbel populations and designed investigations to identify possible bottlenecks in recruitment focusing on all life history stages and environmental influences, with the intention of developing a practical management plan for the River Great Ouse fishery that can be applied to other rivers. This study examined seasonal movements of 20 wild barbel via radio telemetry in a nine kilometre river stretch on the upper Great Ouse, recording weekly movements over an 18 month period. The project aimed to ascertain the effects of environmental influences on movement and habitat use. Radio tracking over 100 consecutive days throughout the spring periods in 2010 and 2011 gave an understanding of their daily movements, identified barriers limiting longitudinal movements and located active spawning gravels. Health of spawning gravels was assessed by monitoring changes in diatom growth and hyporheic water quality during the embryonic development stage. Representative freeze core samples from spawning gravels were used to assess fine sediment infiltration. Larval drift measured the number of larvae leaving the spawning grounds, a range of methodologies were used to capture 0+ to 3+ barbel. Habitat and feeding preferences were then evaluated. It was found that temperature and flow impacted movement, individuals moved through the entire river stretch, despite the presence of a weir that was previously thought of as impassable. Variations in sediment loading were found between spawning habitats, but fine sediment and organic matter were improved with gravel jetting. Larval drift and electric fishing were found to be the most effective methods for catching young barbel, but the necessary habitats to support these young fish were not readily available within the study stretch.
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Gutmann, Roberts Catherine. "Population ecology and behaviour of European barbel Barbus barbus, a recreationally important, translocated fish." Thesis, Bournemouth University, 2018. http://eprints.bournemouth.ac.uk/30876/.

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The intentional introduction of fish species into new environments for enhancing recreational angling is common. The intentional translocation of European barbel Barbus barbus into the middle River Severn in 1956 resulted in their establishment and dispersal throughout the catchment, including its tributary, the River Teme, where they supported high catch rates until the mid-2000s. Anecdotal evidence suggests that since then, there have been large declines in catch rates in the Teme and thus in the size of the adult population. However, data to evidence this were lacking, with minimal ecological data available. The aim of this research was to thus generate new knowledge on the ecology of this invasive B. barbus population in the River Teme to provide baseline information that could be used as a basis for fishery and river management. The focus of the research was initially on understanding the reproduction of B. barbus in the river, with focus on the quality of the spawning substrate and the temporal and spatial production of 0+ fish in the river via their reproduction. This was followed by investigating the B. barbus trophic relationships with other cyprinid species, and in relation to angling. In addition, the tracking of B. barbus in the lower river provided insights into the behaviours of individual fish. The majority of the spawning gravels analysed in the River Teme had generally low fine sediment content and organic matter compared to other lowland rivers, with this potentially important for B. barbus larval emergence and survival. The spawning of B. barbus involves construction of a nest (‘redd’) that results in large volumes of sediments being moved and thus they can have a zoo-geomorphic impact on sediments. Spawning in the Teme B. barbus population utilised a protracted spawning strategy, as per their native range, with this strategy also utilised by chub Squalius cephalus and minnow Phoxinus phoxinus. These results suggest some consistency with the pre-adaptation hypothesis, whereby the non-indigenous B. barbus utilised traits in the new range that it utilises in their indigenous range, providing considerable advantages for invasion success. Investigations into the trophic interactions of the B. barbus with other fishes revealed that, in general, there were consistent patterns of partitioning in their trophic and isotopic niches, with little evidence to suggest high inter-specific competitive interactions. Stomach contents analyses revealed that whilst the 0+ fishes were all primarily generalist in their diet, B. barbus was the most specialist out of the four analysed fishes, with the trophic niche of invasive B. barbus being highly dissimilar to S. cephalus and dace Leuciscus leuciscus. Stable isotope studies then suggested these patterns of inter-specific niche partitioning remained through the life of these fishes, but with some dietary convergence when larger fishes (generally > 400 mm) had diets composed of high proportions of angler bait based on marine fishmeal. Acoustic tagging of B. barbus in the lower river tracked their movements over a 12 month period and revealed that two weirs provided substantial impediments to their movements. There were also considerable differences between the size of the home ranges of individuals, but with this explained more by their method of capture (angling versus electric fishing) than any other variable, suggesting inherent differences in the behaviour of individuals that affect their vulnerability to angler capture. These results thus provide considerable new knowledge on this invasive B. barbus population that can be utilised to better manage populations both in the River Teme and elsewhere in their range. They revealed considerable differences in the behavioural ecology of individuals, but with their invasive population generally having minimal impact on other fishes in the river.
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Basic, Tea. "Applied ecology and management of a European barbel Barbus barbus population of a lowland river." Thesis, Bournemouth University, 2017. http://eprints.bournemouth.ac.uk/27994/.

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Freshwaters represent some of the most degraded ecosystems in the world, with approximately 56% of the European rivers being sufficiently altered by human activities to modify the composition of their biological communities. River fish communities are often used to indicate this altered status due to their ecological, recreational and economic value. In lowland rivers, habitat alterations include impoundments and activities such as channel straightening, impacting aspects of fish behaviour and lifecycle completion. Species such as European barbel B. barbus are particularly affected due to their propensity for long-distance migrations and requirements of high quality gravels for spawning. Consequently, B. barbus populations throughout Europe are increasingly threatened. Barbus barbus is indigenous to eastern flowing rivers in England, including the River Great Ouse that has been historically subjected to multiple alterations in channel morphology for flood defence and impoundments for land drainage. The river’s B. barbus population is now restricted to the upper reaches where they represent a key resource for angling, yet temporal and spatial data on their populations suggest relatively low abundances in recent years. Over the last 30 years, the regulatory authority responsible for their management (Environment Agency) have managed the population through a combination of enhancement stocking using hatchery-reared fish and habitat improvement schemes, especially gravel jetting of spawning substrates. There is, however, little knowledge on the effectiveness of these. Consequently, this research investigates B. barbus in rivers in England generally and the Great Ouse specifically by assessing the efficacy of stocking and habitat works to enhance populations. The initial research has focused on using scales from historical surveys on the fish communities of three rivers (including the Great Ouse) to determine the trophic relationships of the fishes using stable isotope analysis. Outputs indicated that scales can be used for this analysis and revealed that rather than sharing food resources with functionally similar species such as chub Squalius cephalus, B. barbus occupied distinct isotopic (trophic) space. Their diet was then assessed using stable isotope analysis on B. barbus scales from four English rivers to determine their major food resources. Results indicated that angling heavily modified B. barbus diet, with introduced bait (as pelletized fishmeal) being the most important dietary component. The next phase of the research built of these outputs of both these studies and assessed the impact and efficacy of enhancement stocking of hatchery-reared B. barbus. In both semi-controlled and wild conditions, analyses suggested that enhancement stocking with B. barbus has minimal detrimental consequences for other fishes such as S. cephalus, with strong patterns of trophic niche partitioning. Nevertheless, the efficacy of enhancement stocking might be limited, with low numbers of recaptured stocked B. barbus recorded in the study, with a concomitant genetic study revealing negligible introgression of stocked B. barbus genes into the population, despite the stocking activities. Given that enhancement stocking has been of limited success to improve B. barbus population abundance in the Great Ouse catchment, their spawning habitats were assessed in the river, including whether the physicochemical properties of the sediments and hyporhic water were limiting. Whilst results indicated good quality of hyporehic water, the subsurface sediment was high in fine content, particularly sand. Gravel jetting, a method to clear spawning gravels of fine content, was shown to only provide short term benefits (e.g. 3 months) in reducing this content of fines, with this benefit only apparent in surface sediments and not in the subsurface. An ex-situ experiment to assess the tolerance of B. barbus eggs and larvae to sand content in spawning substrata indicated no effect of high sand content on egg to emergence survival rates, but it did significantly decrease the timing of larval emergence from gravels. This early emergence of B. barbus larvae from substrates with high sand content could potentially impact their subsequent survival in the wild. Thus, the current management strategies employed in the River Great Ouse to enhance the B. barbus populations appear to have limited success, largely failing to meet their objectives. Thus, more holistic management approaches are outlined and suggested for implementation.
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Decamp, Eleanor Sian. "Performing barbers, surgeons and barber-surgeons in early modern English literature." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:42cdcea1-56b8-4d3d-961f-d2a3e7fa0d13.

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This study addresses the problem critics have faced in identifying contemporary perceptions of the barber, surgeon and barber-surgeon in early modernity by examining the literature, predominantly the drama, from the period. The name ‘barber-surgeon’ is not given formally to any character in extant early modern plays; only within the dialogue or during stage business is a character labelled the barber-surgeon. Barbers and surgeons are simultaneously separate and doubled-up characters. The differences and cross-pollinations between their practices play out across the literature and tell us not just about their cultural, civic and occupational histories but also about how we interpret patterns in language, onomastics, dramaturgy, materiality, acoustics and semiology. Accordingly, the argument in this study is structured thematically and focuses on the elements of performance, moving from discussions of names to discussions of settings and props, disguises, stage directions and semiotics, and from sound effects and music, to voices and rhetorical turns. In doing so, it questions what it means in early modernity to have a developed literary identity, or be deprived of one. The barber-surgeon is a trope in early modern literature because he has a tangible social impact and an historical meaning derived from his barbery and surgery roots, and consequently a richly allusive idiom which exerted attraction for audiences. But the figure of the barber-surgeon can also be a trope in investigating how representation works. An aesthetic of doubleness, which this study finds to be diversely constructed, prevails in barbers’, surgeons’ and barber-surgeons’ literary conception, and the barber-surgeon in the popular imagination is created from opposing cultural stereotypes. The literature from the period demonstrates why a guild union of barbers and surgeons was never harmonious: they are opposing dramaturgical as well as medical figures. This study has a wide-ranging literary corpus, including early modern play texts, ballads, pamphlets, guild records, dictionaries, inventories, medical treatises and archaeological material, and contributes to the critical endeavours of the medical humanities, cultural materialists, theatre historians and linguists.
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Padovezi, Carlos Daher. "Conceito de embarcações adaptadas à via aplicado à navegação fluvial no Brasil." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/3/3135/tde-26112003-154811/.

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É elaborada uma proposta de procedimentos de projetos de comboios fluviais adaptados às condições existentes das vias navegáveis, a partir de uma visão ampliada da necessidade de obtenção de menores custos de transporte, com níveis adequados de segurança e de respeito ao meio ambiente. Uma análise das inter-relações técnicas entre hidrovias e embarcações, assim como dos condicionantes e implicações do conceito de embarcações adaptadas às vias navegáveis, orientou a elaboração do modelo. Este foi estruturado em módulos, com o objetivo de reproduzir, um a um, os fatores mais importantes que influenciam a eficiência, a segurança e o nível de interferência ambiental do transporte de cargas por comboios. Um programa computacional foi desenvolvido como instrumento de aplicação do modelo, consolidando os procedimentos propostos para a escolha das melhores alternativas de projeto e de operação de comboios. Resultados experimentais com comboios em escala real e com modelos em tanques de provas, foram utilizados para validação dos procedimentos adotados. Dados de acidentes com comboios em várias hidrovias do mundo foram utilizados como bases para avaliações de risco. O modelo foi aplicado aos casos de transportes de soja pela hidrovia Tietê-Paraná e pelo rio Araguaia, exemplificando as formas de análise e de escolha das alternativas de soluções de projeto. Ao final, os resultados obtidos comprovaram a utilidade da adoção de um enfoque mais abrangente do processo de projeto de comboios fluviais.
It is proposed a procedure model for design of barges push-tow adapted to waterway actual conditions, with the purpose of minimize transportation costs but always making verifications of navigation safety and ambient interferences levels. An analysis of inter-relations on inland waterways and cargo ships and, also, detailed conditionings and implications of waterway adapted ships concept, was used for model elaboration. It was structured in blocks to reproduce, one to one, the most important factors that modify efficiency, safety and environmental interference levels of barges push-tow cargo transportation. A computational program was developed to consolidate the proposed model and to apply procedures to choose best design and operational alternatives. Results of full scale and towing tank tests with push-tows were used to verify the mathematical and semi-empirical models. Barges push-tows accidents data from waterways of the world was used as risk model basis. To evaluate its effectiveness, the model was applied to bulk grain transportation cases by Tietê-Paraná waterway and by Araguaia river. The results shows that the special emphasis on three factors (efficiency, safety and ambient) improves the quality of barges push-tow design process.
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Books on the topic "Barges"

1

Shipping, American Bureau of, ed. Preliminary rules for building and classing accommodation barges and hotel barges. Paramus, N.J., U.S.A. (P.O. Box 910, Paramus 07653-0910): American Bureau of Shipping, 1989.

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Finlay, Ian Hamilton. Found poem: The mastless barges. [Scotland]: Wild Hawthorn Press, 1990.

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Tāngprathēt, Thailand Kō̜ng Khāo, ed. Royal barges: Poetry in motion. [Bangkok]: Foreign News Division, Government Public Relations Dept., Office of the Prime Minister, 1987.

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Prohaska, Rainer. The 'Z'-boats: Modular barges. Nürnberg: Verlag für Moderne Kunst, 2008.

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Pospelov, V. I. Transportnye nesamokhodnye suda: Ustroĭstvo i tekhnicheskai͡a︡ ėkspluatat͡s︡ii͡a︡. Moskva: "Transport", 1987.

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E.J. Bentz & Associates, Pyburn and Odom, IBJ Associates, United States. Office of Port and Intermodal Development, and Louisiana. Dept. of Transportation and Development, eds. Lower Mississippi River regional barge fleeting assessment, plan, and handbook guide. [Washington, D.C.?]: The Office, 1985.

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E.J. Bentz & Associates, United States. Office of Port and Intermodal Development, and Louisiana. Dept. of Transportation and Development, eds. Lower Mississippi River regional barge fleeting assessment, plan, and handbook guide: Executive summary. [Washington, D.C.?]: The Office, 1985.

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Fruin, Jerry. Barge movements on the Upper Mississippi River: Trends and projections 1963-2002. St. Paul, Minn: Dept. of Agricultural and Applied Economics, University of Minnesota, 1994.

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Shipping, American Bureau of. Rules for building and classing steel barges. Paramus, N.J., U.S.A. (45 Eisenhower Dr., Paramus 07653-0910): American Bureau of Shipping, 1991.

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A, Zappi Paul, and Environmental Laboratory (U.S. Army Engineer Waterways Experiment Station), eds. Evaluation of loading and dredged material overflow from mechanically filled hopper barges in Mobile Bay, Alabama. Vicksburg, Miss: US Army Corps of Engineers, Environmental Laboratory, 1990.

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Book chapters on the topic "Barges"

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Borca, Bianca, Lisa-Maria Putz, and Bernhard Bieringer. "Container Barge Design to Optimize Hinterland Transport in Europe." In Lecture Notes in Civil Engineering, 814–19. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6138-0_71.

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AbstractThe aim of this paper is to develop and evaluate new design options for barges for the economically viable transport of 45’ standard high-cube containers. Special attention was given to the potential performance of the new designs for navigation during low water periods on the Danube. To reach this aim, a four-step approach was conducted: first, a literature review was conducted, second, a scenario was selected leading to defined waterways and goods, third, the results were visualized, and fourth, the design options were evaluated. The research resulted in six design options for barges optimized for accommodating 45’ standard high-cube containers. The barges should serve the Danube stretch between Enns/Austria and Giurgiu/Romania. A major conclusion is that which of the six barge designs fits best depends on the business case, since each of the options have several advantages and disadvantages which have to be investigated such as a different loading capacity. A barge being able to carry between 24 and 90’ standard high cube containers.
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Chandrasekaran, Srinivasan. "Pipe-Laying Barges." In Offshore Semi-Submersible Platform Engineering, 177–209. Names: Chandrasekaran, Srinivasan, author. Title: Offshore semi-submersible platform engineering / Srinivasan Chandrasekaran. Description: First edition. | Boca Raton, FL : CRC Press/Taylor & Francis Group, LLC, 2021.: CRC Press, 2020. http://dx.doi.org/10.1201/9781003130925-5.

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Lim, Joseph. "Industry Challenges as Basis for Repurposing Oil Rigs and Barges." In Lecture Notes in Civil Engineering, 1–18. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5297-7_1.

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Dai, Jian, Kok Keng Ang, and Chi Zhang. "Hydroelastic Analysis of Modular Floating Barges for Hydrocarbon Storage Facility." In Lecture Notes in Civil Engineering, 450–56. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2306-5_63.

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Campion, Garry. "The Battle of the Barges: ‘Blackpool Front’ Propaganda, 1940–1945." In The Battle of Britain, 1945–1965, 65–88. London: Palgrave Macmillan UK, 2015. http://dx.doi.org/10.1057/9781137316264_4.

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Mes, Martijn, and Albert Douma. "Agent-Based Support for Container Terminals to Make Appointments with Barges." In Lecture Notes in Computer Science, 80–95. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44896-1_6.

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Haberl, S., A. S. Milaković, O. Detlefsen, M. Abdel-Maksoud, S. Ehlers, L. Horstmann, and C. Ahlers. "Structural optimization of cell guides for container securing as a retrofit solution on barges." In Advances in the Analysis and Design of Marine Structures, 809–17. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003399759-89.

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Malchow, Ulrich. "Port Feeder Barges as a Means to Improve Intra-Port Container Logistics in Multi-Terminal Ports." In Operations Research/Computer Science Interfaces Series, 465–80. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39990-0_20.

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Bischoff, Antje, and Jörg Freyhof. "Seasonal shifts in day-time resource use of 0+ barbel, Barbus barbus." In When do fishes become juveniles?, 199–212. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-3678-7_14.

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Freyhof, J. "Distribution of YOY-barbel Barbus barbus (L.) in the River Sieg/Germany." In Conservation of Endangered Freshwater Fish in Europe, 259–67. Basel: Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9014-4_25.

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Conference papers on the topic "Barges"

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Ikegami, Kunihiro, Makoto Ohta, Masami Matsuura, Kazuki Toshimitsu, Satoshi Nagaosa, and Guo Zhang. "Response Characteristics of a Trailer Type Multi-Connected Barge System in Waves." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57615.

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A trailer type multi-connected barge system is a new type of ocean transportation system composed of several barges connected to each other with a mechanical connecting device and a tug ship. To design the trailer type multi-connected barge system, it is necessary to grasp the exact response characteristics of the trailer type multi-connected barge system in waves. A model basin test was conducted for the trailer type multi-connected barge system in waves. In the model basin test, the tug ship and three barges were connected to each other by the mechanical connecting device, and the tug ship towed three barges in waves. As a result, the response characteristics of the trailer type multi-connected barge system in waves were obtained. A non-linear phenomenon of a longitudinal connecting force caused by relative pitch motions of barges was observed. A way to avoid the non-linear phenomenon and reduce the longitudinal connecting force could be found, and the realization of the trailer type multi-connected barge system was experimentally confirmed.
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Yim, Solomon C., Tongchate Nakhata, Warren A. Bartel, and Erick T. Huang. "Coupled Nonlinear Barge Motions: Part I — Deterministic Models Development, Identification and Calibration." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51130.

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This paper focuses on the development of optimal deterministic, nonlinearly coupled barge motion models, identification of their system parameters and calibration of their prediction capability using experimental results. The ultimate objective is to develop accurate yet sufficiently low degree-of-freedom stochastic models suitable for efficient probabilistic stability and reliability analyses of US Naval barges for preliminary design and operation guideline development (see Part II). First a three-degree-of-freedom (3DOF) fully coupled Roll-Heave-Sway model, which features realistic and practical high-degree polynomial approximations of rigid body motion relations, hydrostatic and hydrodynamic force-moment specifically suitable for barges, is examined. The hydrostatic force-moment relationship includes effects of the barge’s sharp edge and combined roll-heave states, and the hydrodynamic force-moment specifically suitable for barges, is examined. The hydrostatic force-moment relationship includes effects of the barge’s sharp edge and combined roll-heave state, and the hydrodynamic terms are in a “Morison” type quadratic form. System parameters of the 3DOF model are identified using physical model test results from several regular wave cases. The predictive capability of the model is then calibrated using results from a random wave test case. Recognizing the negligible sway influence on coupled roll and heave motions and overall barge stability, and in an attempt to reduce anticipated stochastic computational efforts in stability analysis, a 2DOF Roll-Heave model is derived by uncoupling sway from the roll-heave governing equations of motion. Time domain simulations are conducted using the (3DOF) Roll-Heave-Sway and the (2DOF) Roll-Heave models for regular and random wave cases to validate the model assumptions and to assess their (numerical) prediction capabilities.
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Xu, Xin, Jianmin Yang, Xin Li, and Haining Lu. "Wave Drift Forces on Three Barges Arranged Side by Side in Floatover Installation." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10737.

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Floatover is a new method for installing integrated topside of a spar platform. It has several obvious advantages such as less time and cost compared with derrick lifting. In general, the floatover installation consists of three procedures: firstly a single barge is used for long-distance transportation of the topside in order to get good stability; secondly two barges take place of the single barge for floatover installation near the operating site; finally the topside is transferred from the two barges to the spar hull and the installation is completed. Between the first and second procedures, the case occurs that the single transportation barge is sided left and right by two floatover barges in the second procedure with close proximity. This case is concerned by many designers and operators for the security problem brought by possible large relative motions and forces of the three barges in side by side configuration. The hydrodynamics of side-by-side barges are much more complex than that of a single barge in waves. In numerical simulation, it is a challenge to consider all effects including the hydrodynamic interactions, the shielding effects, the viscous effects and the wave resonance effect which has been observed in the gaps between the barges and has a significant impact on wave drift forces. In this paper, motion responses and wave drift forces were calculated in frequency domain for both the multi-body system and the single body. Far-field, middle-field and near-field method were all carried out to calculate wave drift forces. Numerical analysis was executed using potential flow code WAMIT. Corresponding model tests were also performed in the Deepwater Offshore Basin in Shanghai Jiao Tong University. Comparison between numerical and experimental results shows that numerical results agree well with the experiment and that middle-field method has better convergence than near-field method. The comparison between the multi-body system and single body shows that the hydrodynamic interactions (including wave shielding effect and Helmholtz resonance of water in the gaps) are remarkable and motion responses in the multi-body system are larger than single barge at some frequencies.
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Ji, Chunqun, and John Halkyard. "Spar Deck Float-Over Feasibility Study for West Africa Environment Condition." In 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92157.

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Offshore deck installation may be performed by either derrick barges or by the float-over method. Either method involves a variety of technical challenges. The challenges are particularly severe in weather conditions such as West Africa where long period swell dominates the environment. Setting a deck on a floating platform such as a spar presents additional issues compared with operation on fixed platform. This paper provides a spar deck float-over feasibility study for a West Africa environmental condition. The design uses two existing barges in a catamaran configuration. The barges were engaged for both transportation and the float-over procedures. The weather window for spar deck installation and the importance of synchronized motion of spar, barge and deck during the deck load transfer are discussed in the paper. Four-body (two barge, spar and deck) motion simulations were applied. The study shows that the float-over and mating operation is feasible in the specified West African sea state. Rapid spar de-ballasting achieves 20% load transfer to avoid large impact during 0% to 20% load transfer. From the 20% to 85% deck load transfer using conventional ballasting the barges, deck and de-ballasting spar will have synchronized motion.
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Kloesel, Michael R., Robert J. Norton, and Thomas R. Hagner. "Rebuilding of a Large Single Hull Tank Barge into Double Hull." In SNAME Maritime Convention. SNAME, 2005. http://dx.doi.org/10.5957/smc-2005-d25.

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This paper presents Maritrans’ groundbreaking experience in rebuilding very large single hull barges into OPA- 90 compliant double hull barges. Details of the process are described along with interesting case studies involving aspects of analysis and construction. The process by which the American Bureau of Shipping certified this barge to be a “Grade 1” under the ABS SafeHull Condition Assessment Program is described in detail. There is a brief discussion of extending this rebuild process to the double hulling of tankers.
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el Moctar, Ould, Thomas E. Schellin, and Jens Neugebauer. "Wind and Current Loads on Barges and Ships." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95716.

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Abstract Increased waterborne trade has led to the construction of ever larger ships and barges as oversized modules are transported by sea. The provision of tugs for towing such vessels has become a serious issue, especially in restricted areas often characterized by coastal regions of limited water depth. Wind loads are most relevant for towing operations because large forces act on the sail area and submerged hull of the towed vessels, such as construction barges when carrying oversized modules or fully laden containerships. Systematic steady and unsteady numerical simulations were performed using a RANS-based field method to predict wind and current forces and moments acting on representative construction barges, containerships, tankers, and passenger ships. Aero- and hydrodynamic computations were carried out separately. Aerodynamic computations considered various deck load configurations to represent realistic loading conditions; hydrodynamic computations accounted for finite water depth. Agreement with available wind tunnel experimental data was generally favorable. Our purpose was to provide a reference for wind and current loads on different barge and ship types. The objective was not to investigate flow details needed for, e.g., smoke propagation, helicopter landing, etc. This has been covered by other researchers.
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Wang, Guozhi, and Zhouyi Liu. "Reconstruction and Reinforcement of Pile Driving Barges." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79433.

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With the increasing demand of petroleum exploitation as well as the construction of bridges and ports, the size of pile driving barges becomes much greater with longer piles. Considering of the economy, many old pile driving barges face to the reconstruction through the strengthening and heightening. In determining the reconstruction scheme, the traditional method for loads estimation is the combination of static load with dynamic coefficient, but it is perhaps not reasonable. The reconstruction design of a pile driving barge is described in this paper. Various of loads were considered including the normal working load, the wind load, the wave load as well as the added dynamic loads especially the transient load during hoisting and pile sliding. The loads transfer between the main hook and the auxiliary hook were simulated experimentally. The FE method was adopted to obtain the stress contribution and find the position with maximum stress. A reconstruction scheme was then put forward to strengthen the weak position of the frame. The upper platform and the main stanchion need strengthened by increasing the outer diameter and the wall’s thickness locally. The connection structure of the upper platform and the main stanchion should be strengthened through the structural optimization. The stress distribution and the maximum stress were then calculated and the safety was verified according to the allowable stress value of the materials. The transient movement of the pile was investigated. The pile driving barge was then reconstructed based on the reasonable reconstruction scheme from the load simulation and structural optimization.
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Cueva, Marcos, Alexandre S. Hansen, Joa¯o Luis B. Silva, Fernando Faria, and Andre Morato. "Hydrodynamics of an Installation Barge With Bilge Keels and Stinger." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20059.

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Multipurpose barges are used for accommodations, maintenance, equipment transport and installation and pipelay. For all these operations, the correct understanding of the motions of the vessel is essential for safety and to increase the uptime in the desired region. The motions of barges are well evaluated by the use of potential theory, but due to the presence of nonlinearities, asymmetries and devices such as bilge keels and stinger, the determination of the unit motions can be challenging, especially for roll motions. This work presents several results of motions, obtained from model tests and numerical calculations, for different configurations of a barge, with a focus on roll motion, but also considering heave and pitch, with and without the presence of bilge keels and stinger.
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Jaouen, Frederick, Joris van den Berg, Haite van der Schaaf, Eelko May, and Jim Koppenol. "How Does Barge-Master Compensate for the Barge Motions: Experimental and Numerical Study." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83045.

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To increase workability and safety in tough environmental conditions, and to create a more economical alternative for jack-up barges, Barge-Master has developed a wave compensating platform for marine and offshore installation barges. To minimize the motions of the crane positioned on top of it, the platform is driven by three hydraulic actuators that compensate for the roll, pitch and heave motions of the barge. To quantify the performance of the platform for different environmental conditions and crane configurations MARIN performed both wave basin model tests and time-domain simulations on the platform. In this paper, the experimental setup is first described and the model test results are presented. Then, the theoretical formulation of the time-domain aNySIM model is described and the numerical results are reported. It is shown that the model tests and time-domain results are in good agreement. The results indicate that the barge motions can be compensated by the platform for more than 90% in 1.2m high sea states. However, it is also shown that the instrumentation, data acquisition and controller system need to be fast and tuned to achieve this optimal compensation.
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Luo, Michael Y. H., David Edelson, Jianan (Jay) Wan, Jiulong Sun, and Sina Hassanaliaragh. "Improvements in Heavy Topside Installation Onto Spar Hull by Catamaran Floatover Method." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10017.

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The Murphy Kikeh Spar in Malaysia was the first Spar to employ a catamaran floatover method to install the topsides onto the Spar hull at the platform offshore location. The single column hull of the Spar dictates that the most practical way to float a topsides onto the Spar hull is by use of a catamaran system where the topsides structure forms a connection between the twin barges. For the Kikeh Spar the topside was first loaded out onto a single barge before being transferred to the catamaran system. The transfer operation was performed in sheltered waters. After the transfer and installation of the seafastening, the topside was towed to the installation site. The transfer of the topside weight was accomplished by deballasting the Spar and no quick release mechanism was used in the separation of the topside from the catamaran barges. While the operations described were successfully implemented for the 4,000 MT Kikeh topside in a relative mild environment, improvements are recommended to perform this operation for heaver topsides in harsher environments such as the Gulf of Mexico. This paper summarizes an internal study by Technip to extend and improve the floatover installation of Spar topsides to the Gulf of Mexico. This paper presents a step-by-step overview of an improved process for the installation of topsides having transportation weights of up to 25,000 ST. Similarities and improvements compared with Kikeh floatover installation will be discussed with particular focus on the following areas: 1. A new method of loading out of the topsides from the fabrication yard directly to the catamaran barges, requiring only one operation and eliminating the need for a transfer barge. 2. Specific Catamaran Ocean tow design and analysis considerations for the Gulf of Mexico. This addresses the effects of the harsher environment on the barges, grillage and topsides structure. A novel method of preloading the catamaran system is presented that reduces or, in some instances, eliminates the requirement for additional topside steel weight to accommodate additional motion-induced dynamic loads on the catamaran system during the ocean tow. The preloading also eliminates the risk associated with the operation of cutting tied-down braces. 3. A quick load release system is described which enables the rapid separation of the barges from the topside following the appropriate level of topside load transfer to the Spar hull.
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Reports on the topic "Barges"

1

Fowler. L51644 Effect of Buckle Arrestors on Pipeline Failure During Pipelaying Operation. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 1991. http://dx.doi.org/10.55274/r0010098.

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Submarine pipelines are usually laid from the ocean surface onto the ocean floor using specially designed ships and barges. Lengths of pipes are welded together on board the barge to form the pipeline and then the pipeline is passed over a ramp called a stinger on its way to the ocean floor. A constant tension force is applied to the pipeline on the barge to prevent it from buckling as it approaches the ocean floor. For thin wall pipes, the high stresses could result in local buckling of the pipeline. This report describes ananalytical and experimental research study to determine the effect of buckle arrestors on stresses and buckling behavior of submarine pipelines during their installation.
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2

Bryant, Duncan, Christopher Callegan, Lauren Coe, S. Jarrell Smith, Richard Styles, and Christine Moore. Laboratory study to reduce the transport of Asian carp by barges. Engineer Research and Development Center (U.S.), September 2018. http://dx.doi.org/10.21079/11681/28991.

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3

Bryant, Duncan, S. Smith, Richard Styles, Benjamin Burnham, Christopher Callegan, Jonathan Marshall, and Mary Allison. Prototype test of a water jet system to mitigate the transport of Asian carp by barges. Engineer Research and Development Center (U.S.), December 2019. http://dx.doi.org/10.21079/11681/34913.

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4

Palermo, Michael R., and Paul A. Zappi. Evaluation of Loading and Dredged Material Overflow from Mechanically Filled Hopper Barges in Mobile Bay, Alabama. Fort Belvoir, VA: Defense Technical Information Center, September 1990. http://dx.doi.org/10.21236/ada226868.

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5

Priebe, Gisela, Anita Nyquist, and Åsa Karlsson. Barn som anhöriga i primärvården - en enkätstudie med kliniskt verksamma medarbetare i Region Värmland. Karlstad University, 2024. http://dx.doi.org/10.59217/oopf5326.

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Barn och unga upp till 18 år som lever i familjer där barnets förälder eller någon annan vuxen som barnet varaktigt bor tillsammans med har en psykisk störning eller funktionsnedsättning, har en allvarlig fysisk sjukdom, har missbruksproblem, utsätter barnet eller en närstående för våld eller oväntat avlider omfattas av begreppet barn som anhöriga. Barnen har en förhöjd risk att utveckla egna psykosociala eller psykiska problem. Därför är det viktigt att hälso- och sjukvården beaktar deras behov av information, råd och stöd. Sedan drygt tio år sedan finns en bestämmelse i Hälso- och sjukvårdslagen om detta (HSL 2017:30, 5 kap. 7§). Primärvården har unika förutsättningar för att identifiera och stödja dessa barn, men forskningen inom området är hittills mycket begränsad, både nationellt och internationellt. Studiens övergripande syfte var att följa upp en tidigare kartläggning av kliniskt verksamma medarbetares kunskapsläge och arbete med barn som anhöriga samt att ta fram ett forskningsbaserat kunskapsunderlag för Region Värmlands fortsatta arbete med barn som anhöriga i primärvården där medarbetares erfarenheter tas tillvara. 133 kliniskt verksamma medarbetare inom primärvården i Region Värmland deltog i en digital enkät. Endast två tredjedelar av deltagarna angav att de känner till bestämmelsen och ännu färre kände till Region Värmlands rutin VIDA RUT-26224 som reglerar arbetet med bestämmelsen på regional nivå. Efter att ha tagit del av bestämmelsens innehåll ansåg en majoritet av deltagarna att alla patientgrupper förekommer på vårdcentralen. Men endast hälften uppgav att de själva har träffat någon av dessa patienter under den senaste månaden. Av dessa hade en majoritet även frågat om patienten hade barn i hemmet, och cirka en tredjedel av dem som hade frågat uppgav att insatser för att möta barnets behov hade planerats eller genomförts. Medarbetarna gav en rad förslag för att utveckla arbetet med barn som anhöriga i primärvården. Kompetensutveckling, implementering av lokala rutiner på vårdcentralen och samverkan med andra parter nämndes. Jämförelsen med en liknande studie från år 2013 visade att tendenser till en positiv förändring över tid kan noteras. Det gäller främst att en högre andel av medarbetarna tycks ha frågat om familjesituationen inklusive att identifiera om hemmavarande barn finns, dels att en högre andel därefter tycks ha tagit upp frågan om barnets situation och behov av stöd. Med tanke på att det är tio år mellan undersökningarna och att lagstiftningen på området under den tiden har skärpts hade tydligare skillnader kunnat förväntas. Sammantaget kvarstår istället många av de brister som tidigare identifierats. Arbetet för barn som anhöriga behöver intensifieras och anpassas till primärvårdens specifika förutsättningar. Barnens behov av information, råd och stöd beaktas även här. Primärvården skulle framför allt kunna fokusera på att identifiera barn som anhöriga, att öppna upp för samtal med den vuxne patienten om barnens situation och att utveckla fungerande samarbeten för de barn som behöver fortsatt stöd. Även korta interventioner som ges på vårdcentralen och informationsmaterial med lokal anknytning behöver utvecklas och användas i större utsträckning. För detta behövs kompetenshöjande insatser. Det är även viktigt att följa upp och utvärdera arbetet, till exempel genom systematiska utvärderingar eller samverkansprojekt.
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6

Unknown, Author. PR-213-9103-R01 Capabilities-Limitations of the S-Curve Pipelay Method. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), September 1991. http://dx.doi.org/10.55274/r0011969.

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Evaluated the typical Gulf of Mexico pipelay barges and assess their ability to install 8 to 20-inch diameter pipelines in water depths ranging from 1000 ft to 3000 ft. McDermott's LB-29 and DB-28, Global Pipelines PLUS' Cherokee, and OPI's DLB-423 were evaluated. Allseas' the North Sea dynamically positioned lay vessel Lorelay was also evaluated for comparison. Pipe wall thicknesses to satisfy buckle propagation, collapse, and stability criteria were determined, and the results were used to select wall thicknesses for 8, 12, 16, and 20-inch nominal pipe diameters in water depths of 1000, 1500, 2000, 2500, and 3000 feet. The selected wall thickness and diameters were then used as inputs for a finite element model to determine stinger and tensioner requirements for each vessel. Each vessel's mooring system was analyzed to assure satisfactory performance, after taking into account pipe-induced tensions and environmental loads resulting from a 1.5-knot current and a 30-knot wind. Mooring system upgrading options include the use of anchor chains or additional mooring line pendants. The scope of work did not include dynamic pipe stress, dynamic mooring system analysis, vessel motions analysis, or move-up analysis.
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7

Hicks, Julie, Laurin Yates, and Jackie Pettway. Mat Sinking Unit supply study : Mississippi River revetment. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41867.

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The Mississippi Valley Division (MVD) has maintained the Mississippi River banks for over 80 years. The Mat Sinking Unit (MSU), built in 1946, was considered state-of-the-art at the time. This system is still in operation today and has placed over 1,000 miles of Articulated Concrete Mats along the Mississippi River from Head of Passes, LA, to Cairo, IL. A new MSU has been designed and is expected to be fully mission capable and operational by the 2023 season, which is expected to increase the productivity from 2,000 squares/day up to 8,000 squares/day with double shifts and optimal conditions. This MSU supply study identifies and optimizes the supply chain logistics for increased production rates from the mat fields to the MSU. The production rates investigated for this effort are 2,000 squares/day, 4,000 squares/day, and 6,000 squares/day. RiskyProject® software, which utilizes a Monte Carlo method to determine a range of durations, manpower, and supplies based on logical sequencing is used for this study. The study identifies several potential supply and demand issues with the increased daily production rates. Distance to casting fields, number of barges, and square availability are the major issues to supply increased placement rates identified by this study.
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8

AIR WEATHER SERVICE SCOTT AFB IL. Barnes Analysis, Number 30. Fort Belvoir, VA: Defense Technical Information Center, June 1996. http://dx.doi.org/10.21236/ada286904.

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9

Skone, Timothy J. Tug and barge transport. Office of Scientific and Technical Information (OSTI), November 2013. http://dx.doi.org/10.2172/1509461.

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10

AIR WEATHER SERVICE SCOTT AFB IL. T-TWOS, Barnes Analysis. Number 30. Fort Belvoir, VA: Defense Technical Information Center, June 1996. http://dx.doi.org/10.21236/ada323923.

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