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Relevant bibliographies by topics / Heavy Constructions

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Academic literature on the topic 'Heavy Constructions'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "Heavy Constructions"

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Bíró, István, József Solticzky, and Ferenc Varnyú. "Complex structural analysis of cornered shape water chambers of heavy-duty boiler." Analecta Technica Szegedinensia 7, no. 1-2 (January 24, 2013): 10–15. http://dx.doi.org/10.14232/analecta.2013.1-2.10-15.

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The Technical Institute of Faculty of Engineering of Szeged University received task to make a stress and construction analysis of a heavy-duty boilers fed by straw bales. Its documentation for manufacturing was purchased as a license from abroad. Main features of the construction and load of boilers are the followings: - Its material: welding constructional steel;- Large sized constructions;- Cornered shape combustion and water chamber put into each other;- The combustion and water chamber are covered by plate steel;- Their stiffness are given by weld beams outside;- Test pressure: 1 bar. Solid Edge finite element method was used by authors to solve the problem. Regarding to the complexity of the construction the walls of the water chamber were analyzed separately. Results obtained by using the program were checked by different model investigations.

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Hsieh, Hung Ren, Wun Yuan Chen, and Hsin Yu. "An Empirical Study on Time Lag Phenomenon Regarding Summertime Indoor Thermal Environments in the Domestic Buildings of Different Construction Types in Hot-Humid Climate Zone." Advanced Materials Research 911 (March 2014): 504–8. http://dx.doi.org/10.4028/www.scientific.net/amr.911.504.

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In the empirical case studies of the seven detached house buildings situated in Yilan, Taiwan in a hot and humid climate, this research conducted the actual measurements and analysis of the Summertime Indoor and Outdoor thermal environment parameters in order to accomplish the research of Time Lag Phenomenon of Summertime Indoor Temperature and Humidity in the Buildings of Light (Composite) Constructions and Heavy (Reinforced Concrete) Constructions. Firstly, it indicated that given the condition of doors and windows in closed positions, there would be Time Lag Phenomenon for both of the indoor Temperature and Humidity measurements in domestic buildings. The Temperature Time Lag for Heavy Construction Buildings had a duration of around three hours, almost as twice that of the figure for Light Construction Buildings. There was a significant correlation between Quantity of Interior Finishes and Humidity Time Lag inside domestic buildings, whereas the bigger the Quantity of Interior Finishes, the longer the Humidity Time Lag. Secondly, it also showed that given the condition of doors and windows in opened positions, there was almost zero Time Lag for both of the domestic indoor Temperature and Humidity measurements. Last but not least, generally speaking, the Ratio of Indoor/Outdoor Diurnal Temperature Range of Light Construction Buildings were higher than that of Heavy Construction Buildings. In particular, given the condition of doors and windows in opened positions with natural ventilation in summertime, it was slightly cooler inside the Light Construction Domestic Buildings than the Heavy Construction Domestic Buildings.

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ZENG, Jianhong, Christoph ANDERL, and Ann HEIRMAN. "The formation of the kě 可 and kě yǐ 可以 constructions." Cahiers de Linguistique Asie Orientale 47, no. 2 (December 10, 2018): 224–55. http://dx.doi.org/10.1163/19606028-04702004.

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AbstractThis paper aims to explain the formation of the kě and kě yǐ constructions in archaic Chinese. We analyze a number of examples from the pre-Qin era to refute previous hypotheses that the kě construction is formed by adding kě to a notional passive, fronting the object in an active sentence including kě, or solely by reanalysis. Subsequently, a verb-moving-backward hypothesis is proposed: kě is used in the underlying structure ‘V-O’ + kě to comment on an already known proposition ‘V-O’, then V is moved to the end to avoid the top-heavy problem. Similarly, this hypothesis also accounts for the kě yǐ construction: kě in the underlying structure ‘yǐ-X-V-Y’ + kě is to comment on the serial verb structure ‘yǐ-X-V-Y’, which is interchangeable with ‘X-yǐ-V-Y’ forming ‘X-yǐ-V-Y’ + kě where ‘yǐ-V-Y’ is moved after kě to avoid the top-heavy problem. Moreover, the “verb moving backward” hypothesis provides new insights into the formation process of similar constructions (e.g., nán 难 ‘be difficult to V,’ yì 易 ‘be easy to V,’ zú 足 ‘be sufficient to V’ constructions) in ancient Chinese, as well as the study of tough constructions.

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Kováč, Miloslav. "Comparison of Vertical Light Wooden Constructions Insulated by Straw Bales." Selected Scientific Papers - Journal of Civil Engineering 10, no. 2 (November 1, 2015): 155–62. http://dx.doi.org/10.2478/sspjce-2015-0027.

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Abstract The main task of configuring engineer by designing enclosure construction is to setup performances of the wall to the best options for existing conditions of the structure. Selecting and adjusting bearing elements of perimeter wall is the first step, however appropriateness and position of chosen materials has major influence on technical properties and architectural expression of structure. Besides light vertical constructions (LVC) there are light wooden constructions from glued elements (LPVC), heavy vertical constructions (HVC) and prefabricated vertical constructions (PVC). All types have specifications allowing alternatives in terms of layer structure and bearing elements position. Each type is considered in terms of: structure – 2D drawing and 3D model, thermal insulation, overall heat transfer coefficient, architectural examination.

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Frick, Achim, Marcel Spadaro, and Michael Borm. "Smart Material Composites Substitute Monolithic Structures." Materials Science Forum 825-826 (July 2015): 353–60. http://dx.doi.org/10.4028/www.scientific.net/msf.825-826.353.

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The present paper approaches possible advantages of hybrid constructions compared to monolithic design. Hybrid constructions represent multi-material composites where each of the materials employed are optimally utilized. Therefore, materials consumption decreases which leads to material, energy and cost efficiency and finally contributes to sustainability.The investigations targets on a possible substitution of a heavy iron casted pump housing by a metal-polymer hybrid light weight construction and on the achievable total mass reduction. Multi-material composites are prerequisite for lightweight design and promise a huge mass reduction potential.

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Takara, Nobutaka. "The weight of head nouns in noun-modifying constructions in conversational Japanese." Studies in Language 36, no. 1 (May 14, 2012): 33–72. http://dx.doi.org/10.1075/sl.36.1.02tak.

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This paper investigates the weight of head nouns in noun-modifying constructions (NMCs) in conversational Japanese. In my data about 70% of head nouns are ‘light’, 20% of the nouns are ‘heavy’, and the remaining is in a ‘gray zone.’ As a close observation of NMCs reveals the issues of two-way light-heavy classification for heads, I establish six parameters according to which I can model the head nouns on a scale from ‘heaviest’ to ‘lightest.’ I argue that in NMCs ‘lighter’ heads are employed instead of ‘heavier’ ones. I also argue that usage of ‘heavy’ heads is further motivated by the factors: (a) pragmatic or referential concerns, and (b) fixed expressions.

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Kuzmin, S. A., A. A. Argunova, D. A. Krasilnikov, and Z. V. Emelianova. "Research of Durability and Structure of the Heavy Concrete Modified by Polymeric Impregnation in the Frigid Climate." Materials Science Forum 945 (February 2019): 250–56. http://dx.doi.org/10.4028/www.scientific.net/msf.945.250.

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Today concrete is the main material for construction of buildings and constructions and increase in its operational characteristics is a priority problem of modern scientific research acts. This work represents experience of modification of heavy M200 concrete on the basis of local raw materials of Yakutia, with use of polymeric impregnation of "Silor-Ultra" as a result of which data on increase in strength characteristics of material were obtained, the internal structure of the modified concrete was investigated.

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Gericke, Andreas, Karl Drebenstedt, Ulrike Kuhlmann, and Knuth‐Michael Henkel. "Improvement of fatigue strength in heavy steel constructions through arc brazing." ce/papers 4, no. 2-4 (September 2021): 1118–25. http://dx.doi.org/10.1002/cepa.1403.

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Nolan, Brian. "Complex predicates and light verb constructions in Modern Irish." Revista Española de Lingüística Aplicada/Spanish Journal of Applied Linguistics 27, no. 1 (August 8, 2014): 140–67. http://dx.doi.org/10.1075/resla.27.1.06nol.

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This paper characterises complex predicates and light verb constructions in Modern Irish. Light verbs are attested in many of the world’s languages (Alsina, Bresnan & Sells, 2001; Butt, 1995, 2003). Cross linguistically, there appears to be a common class of verbs involved in these constructions and generally there is agreement that light verbs contribute to the formation of complex predicates. Light verbs seem have a non-light or ‘heavy’ verb counterpart. In this paper we discuss the light verb constructions (LVC) as found in modern Irish and how they form complex predicates. We claim that the light verb (LV) encodes the event process initiation (or cause) and the matrix verb indicates the bounded component or result. In light verb constructions, the matrix verb appears in Modern Irish syntax as a verbal-noun form. The function of light verbs in these constructions is to modulate the event and sub-event semantics. We distinguish between auxiliary verbs constructions (AVC) and those constructions involving complex predicated and light verbs (Aikhenvald & Dixon, 2006; Anderson, 2006). We provide evidence based on an analysis of Irish data that shows how aspect and argument structure considerations are resolved for the complex predicate within the light verb construction via the linking system between semantics and syntax. We motivate a functional account, based on Role and Reference Grammar (Nolan, 2012; Nolan & Diedrichsen, 2013; Van Valin, 2005; Van Valin & LaPolla, 1997), that appeals to the analysis of complex predicates within a consideration of the layered structure of the clause.

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Będkowska-Kopczyk, Agnieszka. "Verbs of emotion with se in Slovene: between middle and reflexive semantics. A cognitive analysis." Cognitive Studies | Études cognitives, no. 14 (September 4, 2014): 203–18. http://dx.doi.org/10.11649/cs.2014.017.

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Verbs of emotion with se in Slovene: between middle and reflexive semantics. A cognitive analysisThis article presents a cognitive analysis of Slovene emotion verbs with the personal pronoun se ‘self’, e.g., bati se ‘to be scared’. Slavic verbs of this type are traditionally considered reflexive. The objectives of the article are twofold. First, the article aims to demonstrate that se in Slovene verbs of emotion indicates not the reflexive, but the middle voice construction. However, given specific pragmatic factors, these verbs also form reflexive constructions with the heavy form sebe ‘self’, or even both middle and reflexive constructions with se and sebe, respectively. Second, this article challenges Anna Wierzbicka’s assumption that the Slavic verbs with the light form of the personal pronoun or the -sja affix (Russian) express (almost) volitional, i.e. self-induced emotion. In line with cognitive Suzanne Kemmer, it is claimed that the constructions with the verbs under discussion indicate a low degree of volitionality in the process of emotional change i.e. they lexicalize an event that occurs independently of the Experiencer participant’s will.

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Dissertations / Theses on the topic "Heavy Constructions"

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Hameury, Stéphane. "Heat and moisture buffering capacity of heavy timber constructions /." Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-383.

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Gredin, Anders, and Martin Freiling. "Sunda energieffektiva väggkonstruktioner för morgondagens flerbostadshus." Thesis, KTH, Byggteknik och design, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102117.

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Detta examensarbete har utförts vid högskoleingenjörsprogrammet Byggteknik och design vid Kungliga Tekniska högskolan och i samarbete med Ramböll Sverige. Syftet med denna rapport är att undersöka och analysera dagens ytterväggskonstruktioner för framtidens energieffektiva flerbostadshus. Ytterväggskonstruktionen som är en del i byggnadens klimatskal, har en viktig och betydelsefull funktion för att kunna klara av framtida byggnaders energikrav. För att en väggkonstruktion ska fungera finns det en rad andra påverkande faktorer som måste tas hänsyn till. Därför kommer examensarbetet att fokusera på ytterväggskonstruktioners byggfysikaliska egenskaper såsom lufttäthet, fukt, uppbyggnad och beständighet. För att kunna lösa uppgiften har vi varit i kontakt med åtta olika byggnadsentreprenörer i Stockholmsområdet och utfört studiebesök ute i produktionen. Det finns flera faktorer som styr valet av ytterväggskonstruktion för projektet och på grund av detta finns det en rad olika typer av ytterväggskonstruktioner som används i dagens byggande av flerbostadshus. I vår jämförelse mellan sex olika ytterväggskonstruktioner har vi analyserat byggfysikaliska egenskaper och produktionsmetoder utifrån samma grundparametrar. Eftersom ytterväggarna skiljer sig mellan lätt respektive tung stomme har vi valt att presentera en från varje kategori. Enligt vår bedömning i vår analys har vi kommit fram till att en lätt utfackningsvägg med stålregelstomme och en tung väggkonstruktion med platsgjuten skalväggsstomme har de bästa förutsättningarna för att i framtiden utgöra de främsta alternativen inom ytterväggskonstruktioner för flerbostadshus.Rapporten är skriven för läsare som antas ha viss kunskap inom området byggteknik, dvs. den riktar sig främst till intressenter till byggbranschen och studenter inom området.
This thesis has been carried out at the Bachelor's program of construction engineering and design at the Royal Institute of Technology and in collaboration with Ramböll Sweden. The purpose of this report is to examine and analyze today's outer wall structures for the future of energy efficient buildings. The outer wall construction that is part of the building envelope has an important and significant flaw to meet future energy requirements of buildings. For a long time different wall construction projects have been designed to create wall panels with low U-values. For a wall structure to function, there are a number of confounding factors to be taken into account. Therefore, the thesis will focus on outer wall structure building physical properties such as air density, moisture, structure and stability. In order to solve the task we have been in contact with eight different contractors in the Stockholm area and conducted field trips out in production. There are several factors that determine the choice of exterior wall construction for the project and because of this there are a number of different types of exterior wall structures used in today's construction of apartment buildings. In our comparison of six different wall constructions, we have analyzed the construction of physical characteristics and production methods on the same basic parameters. Since the outer walls differ between light and heavy body, we have chosen to present one from each class. Our conclusion is that a light stud walls with steel stud frame and a heavy wall construction with in-situ shell wall structure is best equipped to continue being the main option in exterior wall construction for apartment buildings. The report is written for readers who knowledgeable in the field of building technology, i.e. it is mainly addressed to interested parties in the construction industry and students in the field.

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Kristjánsdóttir, Rut. "Design of Heavy DutyPavements." Thesis, KTH, Byggnadsmaterial, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-218502.

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This research is focused on design of Heavy Duty Pavement which is when a pavement loading exceeds highway levels. The environment where these conditions occur are for example at ports, industrial areas and airport because of the use of heavy vehicles as handling of containers by Straddle Carriers, Front Lift Trucks or Reach Stackers, airplanes and more. The main emphasis here will be on heavy duty pavements for ports. Different design methods are discussed and compared for the pavement design of ports. In this research two different design methods are thoroughly analyzed, the British Ports Associations Heavy Duty Pavements Manual which is a chart based procedure and the HIPAVE program which is an Australian Heavy Duty Pavement Design Guide. Both those methods are widely used around the world. Furthermore, an analysis is performed to research the plastic properties of the pavement. In most design methods, the material properties of the granular materials are assumed as elastic when they are not, they are elasto-plastic. A Finite Element Analysis is performed to determine if this assumption has significant effect on the design of pavements by comparing models of a design pavement section with elastic granular materials and elasto-plastic granular materials. The main conclusions from the comparison study of different pavement design methods are when using the HIPAVE program the total thickness of the design pavement section is smaller than using the British Ports Manual. Smaller thickness result in less materials needed for and therefor lower cost for the pavement section. Regarding the plasticity analysis, it is concluded that the assumption to model the behavior of unbound granular materials as elastic in pavement design is correct. The Finite Element Analysis determined that plasticity does have effect on the behavior of the materials with respect to elastic behavior, but there is not a considerable difference in pavement displacement between the two analysis.

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Berli, Markus. "Compaction of agricultural subsoils by tracked heavy construction machinery /." Zürich, 2001. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=14132.

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Blaxton, Allen C., Michael J. Fay, Cheryl M. Hansen, Christopher M. Zuchristian, Allen C. Blaxton, Michael J. Fay, and Cheryl M. Hansen. "An analysis of USMC heavy construction equipment (HCE) requirements." Monterey, California. Naval Postgraduate School, 2003. http://hdl.handle.net/10945/9854.

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MBA Professional Report
Approved for public release; distribution is unlimited.
MBA Professional Report
Approved for public release; distribution is unlimited.
According to I and L, HQMC, the Marine Corps needs to re-evaluate current operational requirements for engineer construction equipment. Acquisition and force allocation levels for equipment have remained essentially at constant 1970's, Cold War levels. Because acquisition and allocation levels haven't changed at the same rate as personnel, there is a perception that much of the existing equipment is unnecessary. Impacts for supporting too much equipment are decreased readiness, increased maintenance requirements, and increased O and M costs. The objective of our MBA project is to identify the correct quantity of construction equipment required to support the future needs of the USMC, focusing on unit training and Marine Expeditionary Unit (MEU) deployment cycles. This study will also evaluate the cost effectiveness of various alternatives for supplying the right amount and mix of CE to support contingencies via the civilian industrial base (lease/purchase decision factors, as well as domestic/international supplier issues). Our group will perform a review of USMC CE acquisition history to determine how the Marines have procured engineer equipment. Additionally, we will determine the annual volume of equipment that has been purchased or otherwise procured from industrial sources and the expected life cycle of existing equipment owned by the Marine Corps. With this information, we will assess the ability and willingness of suppliers worldwide to provide needed equipment for replacement of expired gear or in support of emergent contingencies. Our objectives are to determine the correct amount and mix of construction equipment to maintain at the Battalion level and to identify some cost effective alternatives for supporting battalion operations and training requirements.

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Blaxton, Allen C. Fay Michael J. Hansen Cheryl M. Zuchristian Christopher M. "An analysis of USMC heavy construction equipment (HCE) requirements /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FBlaxton.pdf.

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Thesis (M.B.A.)--Naval Postgraduate School, June 2003.
Thesis advisor(s): Donald R. Eaton, Joe G. San Miguel, Raymond E. Franck, Keebom Kang. "MBA professional report." Joint authors: Michael J. Fay, Cheryl M. Hansen, Christopher M. Zuchristian. Includes bibliographical references (p. 129-130). Also available online.

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Cook, Rickey A. "A crane and heavy equipment maintenance plan for improving safety and efficiencey." Online version, 1999. http://www.uwstout.edu/lib/thesis/1999/1999cook.pdf.

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Sepehri, Nariman. "Dynamic simulation and control of teleoperated heavy-duty hydraulic manipulators." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30846.

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Some relevant aspects of dynamics and control of heavy-duty hydraulic machines in a teleoperated mode were investigated. These machines, such as excavators and forest harvesters, are mostly used in primary industries. They have a manipulator-like structure with a nonlinear and coupled actuating system. The aim of the project is to investigate different approaches towards converting such machines, with minimum changes, into task-oriented human-supervisory control systems. This provides the opportunity to use both human supervision and robotic power in hazardous environments and for tasks for which human decision is necessary. A methodology was developed for fast and accurate simulations. Analytical, steady-state and numerical techniques were combined using Large-Scale Systems analysis. The inclusion of nonlinearities in the form of discontinuities (e.g., gear backlash and stick-slip friction) in the model was investigated. Numerical simplifications of the structural dynamics and alternative solutions for the hydraulic part were also studied. The model describing the performance of the machine has been written in ACSL (Advanced Continuous Simulation Language) on a VAX computer system. A modified version of the program is at present running close to real-time on a single processor in conjunction with high speed graphics in a manner similar to a flight simulator used for human interface studies and training. The model also evaluates the performance of the machine in a teleoperated mode and under different control strategies. As a result a velocity control algorithm has been developed which is applied in conjunction with the closed-loop components for teleoperation of heavy-duty hydraulic machines; it is basically a feedforward compensation which uses the measured hydraulic line pressures along with fluid-flow equations as criteria to control the joint velocities as well as to uncouple the interconnected actuating system. The control algorithm has been written in C language and is running on an IRONICS computer system, interfaced between the human operator and the machine. The simulation results are supported by the experimental evidence. The experiments were performed on a Caterpillar 215B excavator. Improved operator safety, extension of human capability, job quality and productivity increase are the advantages of a successful implementation of robotic technology to these industrial machines.
Applied Science, Faculty of
Mechanical Engineering, Department of
Graduate

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Ghorbanian, Kerdabadi Mohammad Reza. "Seamus Heany et la (dé)construction du sujet." Caen, 2007. http://www.theses.fr/2007CAEN1477.

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L'œuvre de Seamus Heaney est marquée par l'existence d'un sujet pluriel, qui a été négligée en raison de l'intérêt privilégié des critiques pour des facteurs extérieurs au texte. Bien que les lectures de son œuvre soient donc influencées par les troubles de l'Irlande du Nord, la présente étude essaie d'examiner le processus de développement du sujet lyrique créé dans la poésie de Heaney indépendamment de l'influence de ces troubles. Les principes poétiques de la subjectivité, implicitement abordés dans la prose de Heaney, constituent la source principale de l'analyse du sujet. Pour compléter les conceptions du poète, l’étude utilise les théories de la subjectivite présentées par Nietzsche, Jung, Rorty et Kristeva. La majeure partie de l'œuvre de Heaney, aussi bien prose que poésie, jusqu'en 2002, date de parution d'Electric Light, est donc abordée dans le but d'élucider le processus de la subjectivisation. Pour définir les problématiques de la subjectivité et du sujet lyrique, la recherche se concentre sur la subjectivité dans le texte de Heaney. L'analyse de cette œuvre révèle que les poèmes constituent des fragments d'une mosaïque qui dépeint le développement d'un "sujet en procès", un artiste en quête de la création du soi comme dans un Künstlerroman. Ainsi, loin d'être un sujet soumis à l'idéologie, c’est un artiste non-conformiste qui évolue selon différentes étapes distinctes, marquées par l'exploration, la dissociation d’avec le groupe, et la révolte. Ce qui caractérise ce sujet est sa résistance face à un espace menaçant qui essaie de le conditionner à sa façon, à l’opposé de ses propres principes artistiques. En choisissant la nature de sa relation avec la société, avec l'altérité et avec le langage, il accomplit son objectif. Il parvient à créer son soi par sa révolution dans la société, dans le temps et dans le langage poétique. Cette dernière étape aboutit à l'individuation poétique qui, à son tour, a comme conséquence le renouveau du sujet et la genèse d'une nouvelle vision

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Dalton, Susan Iris. "Social norms associated with drinking : their nature and influence upon untreated heavy drinking." Thesis, University of Birmingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369375.

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Books on the topic "Heavy Constructions"

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Jacob, Dieter, and Clemens Müller, eds. Estimating in Heavy Construction. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783433606230.

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K, Andres Cameron, ed. Principles and practices of heavy construction. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1986.

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Heavy construction: Planning, equipment and methods. Rotterdam: A.A. Balkema, 1993.

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Andres, Cameron K. Principles and practices of heavy construction. 5th ed. Upper Saddle River, N.J: Prentice Hall, 1998.

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K, Andres Cameron, ed. Principles and practices of heavy construction. 4th ed. Englewood Cliffs, N.J: Regents/Prentice Hall, 1993.

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Light and heavy vehicle technology. 4th ed. Oxford: Butterworth-Heinemann, 2007.

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Nunney, M. J. Light and heavy vehicle technology. 4th ed. Amsterdam: Elsevier/Butterworth-Heinemann, 2007.

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Light and heavy vehicle technology. 3rd ed. Oxford, England: Butterworth-Heinemann, 1998.

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Light and heavy vehicle technology. 2nd ed. Oxford: Newnes, 1992.

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Light and heavy vehicle technology. Oxford: Heinemann Newnes, 1988.

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Book chapters on the topic "Heavy Constructions"

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Höpner, Thomas. "Seawater Desalination Plants: Heavy Coastal Industry." In Large-Scale Constructions in Coastal Environments, 91–103. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-59928-6_9.

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Gopi, Sivakanth, Venkatesan Guruswami, and Sergey Yekhanin. "Maximally Recoverable LRCs: A field size lower bound and constructions for few heavy parities." In Proceedings of the Thirtieth Annual ACM-SIAM Symposium on Discrete Algorithms, 2154–70. Philadelphia, PA: Society for Industrial and Applied Mathematics, 2019. http://dx.doi.org/10.1137/1.9781611975482.130.

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Heitz, Jesse. "American Heavy Timber Construction." In Fire Resistance in American Heavy Timber Construction, 1–14. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32128-8_1.

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Mitchell, J. P. "The role of heavy-lift vessels." In Underwater Construction: Development and Potential, 219–33. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3239-5_11.

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Heitz, Jesse. "The Origins of Heavy Timber Construction." In Fire Resistance in American Heavy Timber Construction, 15–21. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32128-8_2.

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Heitz, Jesse. "The End of Heavy Timber Construction." In Fire Resistance in American Heavy Timber Construction, 45–55. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32128-8_5.

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Heitz, Jesse. "The Performance of Heavy Timber Construction." In Fire Resistance in American Heavy Timber Construction, 57–66. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32128-8_6.

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Heitz, Jesse. "The Resurgence of Heavy Timber Construction." In Fire Resistance in American Heavy Timber Construction, 67–74. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32128-8_7.

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Oteyola, Ayodeji Ojo, and Folasade Adesola Ola-Oladimeji. "Heavy Metal Contamination from Construction Materials." In Ecological and Health Effects of Building Materials, 113–31. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76073-1_7.

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Heitz, Jesse. "Heavy Timber in the Midwest." In Fire Resistance in American Heavy Timber Construction, 37–44. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32128-8_4.

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Conference papers on the topic "Heavy Constructions"

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Fujita, Masayuki, Oleg Kotyaev, and Yoshinori Shimada. "Non-Destructive Remote Inspection for Heavy Constructions." In CLEO: Applications and Technology. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/cleo_at.2012.atu2g.3.

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Askestrand, Frode Tjelta, and Ove Tobias Gudmestad. "A Comparison Study of Pressure Vessel Design Using Different Standards." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10684.

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Several codes are currently available for design and analysis of pressure vessels. Two of the main contributors are the American Society of Mechanical Engineers providing the ASME VIII code, Ref /4/ and the Technical Committee for standardization in Brussels providing the European Standard, Ref /2/. Methods written in bold letters will be considered in the discussion presented in this paper. The ASME VIII code, Ref /4/, contains three divisions covering different pressure ranges: Division 1: up to 200 bar (3000 psi) Division 2: in general Division 3: for pressure above 690 bar (10000 psi) In this paper the ASME division 2, Part 5, “design by analysis” will be considered. This part is also referred to in the DNV-OS-F101, Ref /3/, for offshore pressure containing components. Here different analysis methods are described, such as: Elastic Stress Analysis Limit Load Analysis Elastic Plastic Analysis The Elastic Stress Analysis method with stress categorization has been introduced to the industry for many years and has been widely used in design of pressure vessels. However, in the latest issue (2007/2010) of ASME VIII div. 2, this method is not recommended for heavy wall constructions as it might generate non-conservative analysis results. Heavy wall constructions are defined by: (R/t ≤ 4) with dimensions as illustrated in Figure 1. In the case of heavy wall constructions the Limit Load Analysis or the Elastic-plastic method shall be used. In this paper focus will be on the Elastic-plastic method while the Limit Load Analysis will not be considered. Experience from recent projects at IKM Ocean Design indicates that the industry has not been fully aware of the new analysis philosophy mentioned in the 2007 issue of ASME VIII div.2. The Elastic Stress Analysis method is still (2012) being used for heavy wall constructions. The NS-EN 13445-3; 2009, Ref /2/, provides two different methodologies for design by analysis: Direct Route Method based on stress categories. The method based on stress categories is similar to the Elastic Stress Analysis method from ASME VIII div. 2 and it will therefore not be considered in this paper.

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Ishigami, Atsushi, Yoshiaki Murakami, Naoya Hayakawa, and Akihiko Tanizawa. "Development of Heavy Wall High-Strength UOE Linepipe by Means of Microstructural Control in Base Metal and Seam Weld." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-50312.

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The growing demand of the transport of gas and oil under severe conditions, such as in deepwater and onshore in cold climates, requires heavy wall thickness line pipes with both high strength and excellent toughness at low temperature in order to reduce the cost of gas transportation and constructions. In particular, when developing and efficiently manufacturing high strength line pipes with heavy wall thickness, achieving excellent heat affected zone (HAZ) toughness of seam weld is one of the key subjects. In general, steel plate for heavy wall thickness line pipes relatively contains large amount of alloy elements to secure required mechanical properties, whereas addition of alloy elements cause deterioration of HAZ toughness of seam weld. This paper deals with the method of improving HAZ toughness in UOE pipe seam weld. Relationship between microstructure and toughness of simulated HAZ was investigated, and volume fraction of martensite-austenite constituent was reduced by optimization of chemical composition of steel plates. Moreover, low heat input double submerged arc welding (DSAW) process with using welding wires with smaller diameter was newly developed to enhance HAZ toughness. With this new DSAW process, decrease of HAZ width and reduction of austenite grain size were also achieved. Based on the above knowledge, the manufacturing condition was optimized and heavy wall thickness X70 UOE pipe with excellent toughness was successfully developed.

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Katzenbach, Rolf, Steffen Leppla, Arnoldas Norkus, and Peter Okonek. "Spinnanker – Experiences with a New Foundation and Anchor System." In The 13th Baltic Sea Region Geotechnical Conference. Vilnius Gediminas Technical University, 2016. http://dx.doi.org/10.3846/13bsgc.2016.032.

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The Spinnanker is a new developed foundation and anchor system to lead forces into the subsoil. The Spinnanker can be installed almost on ervery type of terrain, even on steep slopes, in nearly all kinds of subsoil material. Based on comprehensive theoretical analysis and in-situ field tests the load deformation behaviour of the Spinnanker has been defined. Up to now more than 4,000 Spinnanker have been installed for permanent and temporary construction tasks. The Spinnanker consists of a steel plate and 6 or 12 steel bars with a length of up to 8 m. For the installation the steel bars are screwed into the subsoil. One person can install the Spinnanker in less than one hour without using any heavy equipment. The system does not need any concrete and can be removed totally without any parts remaining in the subsoil. The paper presents the theoretical approaches, the developed principle of the design and the application in engineering practice. For example the Spinnanker is used for anchoring and foundation of houses, farming and fabrication halls, slope stabilisation, auxiliary constructions (e.g. for overhead electricity line towers) and fixed-points for construction machines.

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Samyn, Pieter, Wim Van Paepegem, Patrick De Baets, Joris Degrieck, J. S. Leendertz, Eric Suister, and Ludo Van Schepdael. "Integrated Design of Highly Loaded Sliding Surfaces of a Huge Ball-Joint." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63200.

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The surfaces of a ball-joint (diam. 10 m and weight 680 tons) used for the rotation of two retaining walls of a storm surge near Rotterdam are initially covered with a sliding spray of MoS2 and PTFE, but suffer wear. Lubricants in heavy-loaded constructions should most likely be avoided, implying a new design of the sliding surfaces by incorporation of polymer discs into holes (diam. 250 mm and depth 32 mm) tapped onto the back-scales of the joint. This study comprises theoretical and practical analysis of the contact situation, using FEM and full-scale test equipment for verification of the local static and dynamic behaviour of the polymer parts.

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Allen, Thomas, Javier Cañada Pérez-Sala, Constantina Coureas, Grace Porter, Javier Sánchez Fernández, Estelle Schurer, Moisés Eugenio Batres Alvarenga, and Óscar Ernesto Rodríguez Flores. "Footbridge for the School of El Yomo in El Salvador." In Footbridge 2022 (Madrid): Creating Experience. Madrid, Spain: Asociación Española de Ingeniería Estructural, 2021. http://dx.doi.org/10.24904/footbridge2022.055.

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<p>The El Salvador Project is a student-led initiative born in 2001 at Imperial College London that provides simple and effective engineering solutions to rural communities in El Salvador. The projects are developed in close collaboration with the Salvadorian NGO REDES and the UK-based charity Engage for Development. This paper presents the work developed over the summer 2019, when a footbridge was constructed for the School of the community of El Yomo, in the town of Alegría. The footbridge was intended to restore the path connecting the main settlement with the local school, which heavy rainfall had eroded in the previous years forming an impassable ravine. The footbridge was designed as a 15 m long steel truss beam supported on masonry walls. The construction was a collective effort. The main challenges faced during construction were the unexpected conditions of the site, the unreliable supply of materials and the lack of means for excavation, lifting and auxiliary constructions. The success of the project relied considerably on the knowledge of the local workers. The involvement of the community helped develop a feeling of ownership over the project which has resulted in a strong commitment in its maintenance since the opening. The footbridge was enthusiastically inaugurated by the community and has provided the children of El Yomo with a safer and faster route to their school, based on a comprehensive risk management approach.</p>

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Eijssen, Marc. "Offshore Wind Farm Construction: Easier, Safer and More Cost Effective." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49847.

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Converting wind energy into a useful form of energy is one of the fastest growing alternative sources of energy in the present and foreseeable future. At the end of 2009, worldwide nameplate capacity of wind-powered generators was 159 gigawatts (GW). Energy production at onshore, near shore and offshore locations was 340 TWh, which is about 2% of worldwide electricity usage, and has doubled in the past three years and will continue to grow substantially. This growth comprises not only more wind farms, but wind mills with more capacity as well [1–3]. To achieve this growth, (heavy) lift companies and offshore contractors meet various challenges. Since primary cost for producing wind energy is construction, with up to 10 lifts per wind mill, a very competitive environment has been created in which efficient logistic and lifting operations, flexibility, avoiding damage to loads and safety are paramount [4,5]. Appropriate lifting gear provides an essential tool to meet these challenges; especially at offshore locations. Currently, steel wire ropes and grommets are extensively being used as lifting gear during the construction of wind farms, with its low cost being the key driver. But its weight together with the risk for damage to loads and injuries to operators are serious concerns. Synthetic slings, especially those made from polyester fiber, have gained popularity as a way to overcome these concerns. But, such slings are very sensitive to damage, hence its value and risk-avoidance is more and more being questioned; especially considering currently applicable legislation such as the European Machinery Directive 2006/42/EC [6]. With the introduction of high performance fibers, such as Dyneema® (Ultra-High Molecular Polyethylene (UHMwPE) fiber), not “just another synthetic fiber” has been introduced. The use of this UHMwPE fiber in protective sleeves and load bearing constructions holds the characteristics to overcome the concerns of the traditional materials as it has been proven by well-respected lifting companies. Since durability of a synthetic sling is largely determined by the performance of the protective sleeves, this paper comprehensively presents the abrasion, cut and tear resistance improvement created by sleeves made with fibers such as Dyneema®. In combination with its functionality in load bearing constructions and the key elements of the European Machinery Directive 2006/42/EC, this paper proves that Ultralift® roundslings made with Dyneema® provide not only safer and easier but also more cost effective construction (logistics and lifting) operations. So, slings made with Dyneema® have been entrusted to meet the lifting challenges of today and tomorrow.

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Bisoffi, G., V. Andreev, E. Bissiato, M. Comunian, F. Chiurlotto, E. Corradin, M. Lollo, et al. "Construction of superconducting RFQs at INFN-LNL." In HEAVY ION ACCELERATOR TECHNOLOGY. ASCE, 1999. http://dx.doi.org/10.1063/1.58944.

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Cherng, John G., Tong Ge, and Sheng-Lih Peng. "Vibration Isolation and Damping for Bucking Bars." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-4119.

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Abstract Bucking bars are used with pneumatic percussive rivet tools for airplanes, ships, and heavy vehicle constructions. The rivet is actually flattened by the bucking bar instead of the riveting hammer when the force is transmitted to the contact point between the rivet stem and the bucking bar. It has been proven that the operator who is holding the backing bar receives higher level of vibration than the person who is operating the rivet hammer. However, more attention has been given to the design modifications of the rivet hammer than the bucking bars which may due to the economic reasons. (The price of hammer is 50 to 100 times higher than the bucking bars’ price.) In this paper, the vibration characteristics of the bucking bars, the applications of vibration isolation and damping to the bucking bars, the optimum mass distribution calculated by a two degree-of-freedom model and the comparative results of the conventional bucking bar and ergonomically modified bucking bars are presented.

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Charles, Steven R., Robert Deutman, and David Keith Gold. "Implementing Lean Manufacturing Principles in New Well Construction." In SPE Heavy Oil Conference Canada. Society of Petroleum Engineers, 2012. http://dx.doi.org/10.2118/157907-ms.

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Reports on the topic "Heavy Constructions"

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Wilson, M. J. ,. LLNL. Heavy ion fusion (HIF) impulse injector design, construction, and checkout. Office of Scientific and Technical Information (OSTI), May 1998. http://dx.doi.org/10.2172/300437.

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Gerwick, Ben C., Sam X. Yao, Dale Berner, and Robert R. Bittner. Assessment of Heavy-Lift Equipment for In-the-Wet Construction of Navigation Structures. Fort Belvoir, VA: Defense Technical Information Center, November 2000. http://dx.doi.org/10.21236/ada393012.

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Akhavian, Reza. Automated Measurement of Heavy Equipment Greenhouse Gas Emission: The case of Road/Bridge Construction and Maintenance. Mineta Transportation Institute, December 2019. http://dx.doi.org/10.31979/mti.2019.1852.

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Wanderer, P., J. Muratore, and M. Anerella. Construction and testing of arc dipoles and quadrupoles for the relativistic heavy ion collider (RHIC) at BNL. Office of Scientific and Technical Information (OSTI), May 1995. http://dx.doi.org/10.2172/72973.

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Fresquez, P. R., H. T. Haagenstad, and L. Jr Naranjo. Baseline concentrations of radionuclides and heavy metals in soils and vegetation around the DARHT facility: Construction phase (1996). Office of Scientific and Technical Information (OSTI), April 1997. http://dx.doi.org/10.2172/468552.

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Fresquez, P. R., H. T. Haagenstad, and L. Jr Naranjo. Baseline concentrations of radionuclides and heavy metals in soils and vegetation around the DARHT facility: Construction phase (1997). Progress report. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/661526.

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Heavy construction equipment mechanic dies from electrocution. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, January 1994. http://dx.doi.org/10.26616/nioshsface93mn062.

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Two heavy equipment mechanics electrocuted while working on a large earth moving piece of construction equipment called a scraper. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, November 2004. http://dx.doi.org/10.26616/nioshsface04ca004.

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