Relevant bibliographies by topics / Road loads

Contents

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

Academic literature on the topic 'Road loads'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Road loads"

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Yang, X., and S. Medepalli. "Comfort and Durability Tire Model Validation3." Tire Science and Technology 37, no. 4 (December 1, 2009): 302–22. http://dx.doi.org/10.2346/1.3251339.

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Abstract In this study, a systematic validation of comfort and durability tire models (CDT) using LMS software was performed by focusing on the measured tire data collection, bench test, and full vehicle model predictions. Different road events are considered in the validation process, including deterministic and random type roads, as well as braking/accelerating and cornering events. The study shows that the current version of commercial CDT models is reasonably accurate for durability road loads simulation, but requires simulation time improvement. The seven published SAE J-documents for road load tire model parameterization tests cover the necessary data to parameterize the CDT model for “non-misuse” road loads simulation.
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MACIOSZEK, Elżbieta. "Essential techniques for fastening loads in road transport." Scientific Journal of Silesian University of Technology. Series Transport 110 (March 1, 2021): 97–104. http://dx.doi.org/10.20858/sjsutst.2021.110.8.

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During the transportation of goods, damage and destruction of the transported cargo constitute a very large part of the damage. The most common direct cause of damage is an improper arrangement and securing of the transported load. An improperly secured load may pose a threat to the transporters and bystanders. Incorrectly secured loads can fall from the vehicle, obstruct movement, and cause injury or death. In addition, improperly secured loads can cause injury or death in heavy braking or a collision. The way the load is distributed and secured on the vehicle can negatively affect driving behaviour, making it difficult to control the vehicle. This article presents the conditions related to the transport of loads in road transport, describes both the forces that act on the load during the journey of a vehicle and the most important techniques for securing loads in road transport.
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Zhao, Li Hui, Han Gu, and Qing Quan Hong. "Shape Optimization of Lower Control Arm under Typical Road Conditions." Advanced Materials Research 430-432 (January 2012): 1996–99. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.1996.

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Structure optimization of lower control arm was performed under three proving ground road conditions to find the best drawbead distribution. First, multi-body dynamics analysis was carried on to determine the deficiency of the lower control arm. Then shape optimization was applied based on the widely used optimization method under static loads by converting dynamic load of the three roads to equivalent static loads. Results of the new design show that the strength and stiffness were increased by 24.3% and 42.9% respectively.
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Khakimov, Shaukat, Erkin Fayzullaev, Azimjon Rakhmonov, and Rustam Samatov. "Variation of reaction forces on the axles of the road train depending on road longitudinal slope." E3S Web of Conferences 264 (2021): 05030. http://dx.doi.org/10.1051/e3sconf/202126405030.

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The article discusses the influence of the road longitudinal slope on variation in reaction forces on the wheels of the road train. The description of the longitudinal slope of the road and methods of its determination are given. The design diagram of the forces and moments acting on the road train during its movement uphill and downhill is presented. Equations for calculating the change in the load on the three axles of the road train, depending on the longitudinal slope of the road and the mode of movement, are presented. Based on the calculation results, graphs were constructed to illustrate the change in loads on three axles of the road train. The results show that the changes in the normal reactions on the front axle of the road train are significant, affecting the braking properties and driving safety of the vehicle. The scheme for calculating the variation in loads on the axles of a road train can be used to automatically adjust the braking forces between the wheels depending on the loads and thereby ensure traffic safety.
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Allen, R. F. "Weight Distribution of Liquid Loads in Road Tankers." Proceedings of the Institution of Mechanical Engineers, Part D: Transport Engineering 202, no. 3 (July 1988): 211–14. http://dx.doi.org/10.1243/pime_proc_1988_202_175_02.

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Axle loads for laden road tankers depend upon the configuration of the liquid tank. The paper determines the location of the centre of gravity of a liquid load in a tilted cylindrical barrel tank with dished and flanged ends and shows how the centre of gravity varies with the amount of liquid carried. The calculation permits greater accuracy in the determination of axle loads.
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VanSickle, D. P., R. A. Cooper, and M. L. Boninger. "Road loads acting on manual wheelchairs." IEEE Transactions on Rehabilitation Engineering 8, no. 3 (2000): 371–84. http://dx.doi.org/10.1109/86.867879.

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Kulović, Mirsad, Zoran Injac, Slavko Davidović, and Ivo Posavac. "Modelling Truck Weigh Stations’ Locations based on Truck Traffic Flow and Overweight Violation: A Case Study in Bosnia and Herzegovina." PROMET - Traffic&Transportation 30, no. 2 (April 20, 2018): 163–71. http://dx.doi.org/10.7307/ptt.v30i2.2423.

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The number of registered commercial freight vehicles is constantly increasing, increasing therefore as well the traffic load on the roads in Bosnia and Herzegovina. A significant part of freight vehicles moving along the main and regional roads are overloaded and cause significant damage to road infrastructure, affect road safety and result in an increase of emissions of harmful gases for people and the environment. The overloading rate is extremely high, in particular with 5-axle trucks representing 58.7%. The research showed that the increased overload level ranges from 10-20% of the maximum permissible weight. The importance of load limits was recognized early in the history of road development. This interrelation led directly to limitations on vehicle loads, and laws were enacted in many countries to establish the maximum allowable motor vehicle sizes and weights. Strict enforcement of motor vehicle size and weight laws is a step toward reducing motor vehicle size and weight violations, heavy truck accidents, and, even more, improving road maintenance, rehabilitation expenditures and road safety. Thus, based on the applied model the objective of this paper is to evaluate and optimize the locations of truck weigh stations on the road network of Bosnia and Herzegovina.
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Tsyganov, Aleksandr. "Loads of road vehicles during piggyback transportation." MATEC Web of Conferences 298 (2019): 00109. http://dx.doi.org/10.1051/matecconf/201929800109.

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The impact of rail transportation on road vehicles that are placed in flatcars is considered in the article. The features of piggyback transportation and the dynamic forces acting on road vehicles in railway rolling stock are determined. The change dependences of the values of dynamic forces for different masses of road vehicles in the longitudinal and transverse directions are established. It is concluded that road vehicles that are used in regular piggyback transportation will experience significant dynamic loads of structural elements, which requires monitoring of their technical condition. Consequently, the infrastructure of piggyback terminals that load and unload road vehicles onto railway rolling stock should include the availability of automobile service facilities.
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Жилинков and A. Zhilinkov. "ON ASSESSMENT OF ROAD CONDITIONS OF HEAVY-LOAD ROAD TRAINS FOR THE TRANSPORTATION OF METAL PRODUCTS." Alternative energy sources in the transport-technological complex: problems and prospects of rational use of 2, no. 1 (April 27, 2015): 271–75. http://dx.doi.org/10.12737/14047.

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In the article the questions of estimation of heavy-load road trains at steel products transportations. Presented results of the experimental studies allow determination of dynamic loads in the bearing systems. Proposed method and model to determine the complex index estimates road conditions
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Petrov, Boris Sergeevich, and Alexander Valentinovich Galin. "Problems of transporting heavy containers by road transport in Russian Federation." Vestnik of Astrakhan State Technical University 2020, no. 1 (May 15, 2020): 13–23. http://dx.doi.org/10.24143/1812-9498-2020-1-13-23.

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The article considers the problem of heavy cargo transporting as an integral part of functioning of industry in the country. The transportation of such types of cargo is regulated by the legislation related to the national transport infrastructure. There have been considered the ways of transporting heavy sea containers by road transport in the Russian Federation. Definitions of the divisible and indivisible cargo, the maximum mass of the road train have been given, the indicators of the maximum permissible mass of the vehicle and the axle load on the roads of Russia, approved by legislative acts of the Russian Federation, have been presented. The issues of the correct choice of freight vehicles and compliance with the rules for transportation of heavy cargo, in particular compliance with the permissible total weight and axle loads, have been considered. There has been proposed the method for calculating axle loads and the solution to the problem of redistributing axle loads by moving the seat of the towing vehicle, transporting a heavy sea container by train being used as the example. The obtained values make it possible to estimate the possibility of carrying heavy cargo without violating standards approved by the legislation of Russia
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Dissertations / Theses on the topic "Road loads"

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Ek, Therese. "Fatigue analysis of engine brackets subjected to road induced loads." Thesis, KTH, Hållfasthetslära (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193564.

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In this master thesis, methods for fatigue analysis of front engine brackets subjected to road induced gravity loads (g-loads) are studied. The objective of the thesis is to investigate the possibility to improve simulation and test analysis for the components. The powertrain is modeled with varying degrees of complexity and the different models are compared to each other and to Scania's models for analysis of the engine suspension. The analysis begins with g-loads and proceeds with time-dependent loads. It is investigated how simulated strains in the cylinder block correspond to measured strains from the test track at Scania. Finally, it is investigated how component tests corresponds to actual loads by comparing the results. The results from the first part of the thesis indicate that worst load case is loading in the negative z -direction and the model of the powertrain with isolators modelled as spring elements is the best for g-loads lower than -3g and the model is sufficient for loads lower than -8g. The results from the second part of the thesis indicate that the simulated strains generally correspond to the measured strains, but with a slight difference in strain amplitude.
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Rhee, Hakjun. "Inferring traffic induced sediment production processes from forest road particle size distributions /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/5459.

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Wang, Juan. "Shakedown analysis and design of flexible road pavements under moving surface loads." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/12836/.

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Flexible road pavements often fail due to excessive rutting. as a result of cumulative vertical permanent deformation under repeated traffic loads. The currently used analytical approach to flexible pavement design evaluates the pavement life in terms of critical elastic strain at the top of the subgrade. Hence, the plastic pavement behaviour is not properly considered. Shakedown analysis can take into account the material plasticity and guarantee structure stability under repeated loads. It provides a more rational design criterion for flexible road pavements. Finite element analyses using the Tresca and Mohr-Coulomb yield criteria are performed to examine the responses of soil half-space when subjected to different loading levels. Both shakedown and surface ratchetting phenomena are observed and the residual stresses are found to be fully-developed after a limited number of load passes. The finite element results are then used to validate the solutions from shakedown analysis. The main focus of current research is concerned with new solutions for static (i.e. lower-bound) shakedown load limits of road pavements under both two-dimensional and three-dimensional moving surface loads. Solutions are derived by limiting the total stresses at any point (i.e. residual stresses plus loading induced elastic stresses) to satisfy the Mohr-Coulomb yield criterion. Previous analytical shakedown solution has been derived based on a residual stress field that may not satisfy equilibrium for certain cases. In this study, a rigorous lower-bound shakedown solution has been derived by imposing the equilibrium condition of residual stresses. The newly developed shakedown solutions have been applied to one-layered and multi-layered pavements. It was found that the rigorous lower-bound solution based on the self-equilibrated residual stress field is lower than the analytical shakedown solution for cases when the critical point lies on the surface or at the base of the first pavement layer. The results showed that the theoretical predictions of pavement shakedown load limit generally agree with the finite element and experimental observations for pavement behaviours. The shakedown solution has been further extended to study the influence of the shape of contact load area for pavements under three-dimensional Hertz loads. It was found that the shakedown load limit can be increased by changing the load contact shape from a circle area to an elliptical one. A new pavement design approach against excessive rutting has been proposed. The pavement design is suggested by plotting thickness design charts using the direct shakedown solutions and choosing the thickness combination based on the design traffic load.
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Zia, Seiar Ahmad. "The effect of different road load implementation strategies on fuel economy of USPS step vans." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10375.

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Thesis (M.S.)--West Virginia University, 2009.
Title from document title page. Document formatted into pages; contains xii, 92 p. : ill. (some col.), col. map. Includes abstract. Includes bibliographical references (p. 79-81).
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Fauriat, William. "Stochastic modeling of road-induced loads for reliability assessment of chassis and vehicle components through simulation." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22689/document.

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Concevoir un composant automobile et s’assurer que celui-ci atteindra un niveau de fiabilité cible requière une connaissance précise de la variabilité des chargements que ce composant est susceptible de rencontrer dans son environnement d’utilisation. La grande diversité des chargements appliqués à différents véhicules par différents clients, ou à un même véhicule tout au long de son historique d’utilisation, représente un défi statistique majeur. Généralement, l’acquisition d’information relative à la variabilité des chargements imposés aux composants des véhicules, repose sur la réalisation de campagnes de mesures. La complexité, la durée et le coût de telles campagnes limite naturellement la taille des échantillons statistiques constitués et les chargements enregistrés sont inévitablement dépendants du véhicule utilisé pour la mesure.Le travail présenté dans ce manuscrit explore la possibilité de changer fondamentalement d’approche, en se basant sur la simulation plutôt que sur la mesure et en concentrant l’effort d’analyse statistique non pas directement sur la variabilité des chargements mais sur la variabilité des facteurs qui les déterminent. Dans ce but, des modèles stochastiques sont proposés pour décrire l’évolution de la géométrie des surfaces de routes rencontrées par les véhicules ainsi que l’évolution de la vitesse à laquelle les conducteurs les parcourent. La caractérisation de la variabilité de ces facteurs est couplée à la notion de situations de vie. Ces dernières permettent de segmenter l’historique d’utilisation des véhicules, afin de faciliter l’analyse statistique de leur évolution au sein d’une population de clients. Pour finir, la réponse dynamique du véhicule à l’excitation générée par la route est déduite par la simulation.Des données statistiques relatives à la variabilité des facteurs de route et de vitesse sont évidemment nécessaires. L’information sur les routes parcourues peut par exemple être acquise à moindre coût au moyen d’une méthode d’estimation des profils de route proposée dans ce manuscrit. Cette information peut ensuite être exploitée afin de constituer, par la simulation, à un coût très faible et pour n’importe quel véhicule dont les caractéristiques sont connues, un échantillon d’historiques de chargements aussi important que souhaité. Cette méthodologie basée sur la simulation offre la possibilité d’analyser plus largement la variabilité des chargements de fatigue provenant de la route, l’influence des différents facteurs qui les déterminent ainsi que l’effet sur la fiabilité des composants du véhicule étudié
In order to design vehicle components that will achieve a prescribed reliability target, it is imperative to possess a precise description of the variability of the loads to which such components may be subjected within the environment in which they are used. The strong diversity of the loads imposed on different vehicles by different customers, or on a particular vehicle throughout its life, constitutes a formidable statistical challenge. Generally, the acquisition of information about the load variability experienced by vehicle components is based on the use of load measurement campaigns. The complexity, duration and cost of such campaigns naturally limit the size of the statistical samples that may be collected. Moreover, the recorded load histories are inevitably dependent on the vehicle used for the measurements.The work presented within this manuscript explores the possibility of a fundamental change in the approach to load characterisation. The objective is to make use of simulation rather than measurements and focus statistical analysis efforts not directly on load variability itself but on the variability of the factors that determine such loads. Stochastic models are proposed to describe the evolution of the geometry of road surfaces covered by vehicles, as well as the evolution of vehicles’ speed on those road surfaces. The characterisation of the variability of such factors is performed in combination with the use of life situations. The latter may be employed to divide the load histories associated to different vehicles, within a population of customers, and analyse their variation more easily. Eventually, the dynamic response of the vehicle to the excitation imposed by the road can bederived through simulation.Statistical data on the variation of the road and speed factors obviously have to be acquired in order to apply the methodology. For example, road-related information may be obtained through the use of a road profile estimation algorithm proposed within the framework of this manuscript. Such information may then be exploited to constitute, through simulation, an arbitrarily large set of load histories at a very low cost and for any vehicle whose mechanical characteristics are known.The proposed methodology based on simulation enables us to study more extensively the variability of road-induced fatigue loads, the influence of the different factors that determine such loads, as well as the effect they have on the reliability of any considered vehicle component
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Khavassefat, Parisa. "Vehicle-Pavement Interaction." Doctoral thesis, KTH, Väg- och banteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156045.

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Several aspects of vehicle-pavement interaction have been studied and discussed in this thesis. Initially the pavement response is studied through a quasi-static and a dynamic computationally efficient framework under moving traffic loads. Subsequently, a non-stationary stochastic solution has been developed in order to account for the effect of pavement surface deterioration on pavement service life.The quasi-static procedure is based on a superposition principle and is computationally favourable, as it requires only a reduced incremental problem to be solved numerically. Using the developed framework, the effect of vehicle configuration and traffic characteristics on the damage induced in pavements is investigated numerically. It is shown that the developed numerical model provides a more accurate explanation of different distress modes.In the dynamic approach the pavement roughness and vehicle suspension system are linked to a dynamic pavement model in order to account for the dynamic effects of vehicle-pavement interaction on pavement response. A finite element method is employed in order to establish the response function for a linear viscoelastic pavement structure with dynamic effects taken into account. The developed computational procedure is applied to evaluate the effect of the pavement surface roughness on the pavement structure response to truck traffic loadings.Furthermore, the deterioration trends for the flexible pavement surface have been investigated based on field measurements of longitudinal profiles in Sweden. A predictive function is proposed for surface deterioration that is based on the average gradient of yearly measurements of the road surface profiles in Swedish road network. The developed dynamic framework is further elaborated to a non-stationary stochastic approach. The response of the flexible pavement is given for a non-stationary random case as the pavement surface deteriorates in pavement service life, thus influencing the magnitude of the dynamic loads induced by the vehicles. The effect of pavement surface evolution on the stress state induced in the pavement by moving traffic is examined numerically. Finally the effect of surface deterioration on pavement service life has been investigated and discussed in the thesis by incorporating the proposed prognostic surface deterioration model into a ME design framework. The results are discussed for different case studies with different traffic regimes. It was indicated that the predicted pavement service life decreases considerably when the extra dynamic loads, as a result of pavement surface deterioration, has been taken into account. Furthermore, the effect of performing a predictive rehabilitation process (i.e. resurfacing) has been studied by employing a LCC framework. The application of preventive maintenance was shown to be effective, especially when the deterioration rate is high.

QC 20141119

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Horký, Martin. "Měření aerodynamických charakteristik vozidla na základě jízdních testů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231526.

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Kuře, Arnošt. "Vyhodnocení legislativních předpisů pro speciální silniční přepravu mezi Českou republikou a severní Evropou." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-232486.

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he project evaluates legislative regulations for special road transport between the Czech Republic and Northern Europe. The main purpose of the project is to formulate a basic methodology for non-standard shipment’s transit. Work observes destination of the Czech Republic - Denmark, Finland, Norway and Sweden. There exist differences in legislative conditions for the particularly heavy and oversized loads transport in these countries. The main objective is to evaluate these conditions and recommend utilization for Czech carriers. The thesis aims to enumerate the various national legal standards for excessive transportation and recommend implementation outputs for correct and a quick orientation in the rights and obligations during executing carriage for the Czech carriers. The basic metodology how to transport oversized loads results from this project.
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Igbe, Damian. "Dynamic load balancing of parallel road traffic simulation." Thesis, University of Westminster, 2010. https://westminsterresearch.westminster.ac.uk/item/90644/dynamic-load-balancing-of-parallel-road-traffic-simulation.

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The objective of this research was to investigate, develop and evaluate dynamic load-balancing strategies for parallel execution of microscopic road traffic simulations. Urban road traffic simulation presents irregular, and dynamically varying distributed computational load for a parallel processor system. The dynamic nature of road traffic simulation systems lead to uneven load distribution during simulation, even for a system that starts off with even load distributions. Load balancing is a potential way of achieving improved performance by reallocating work from highly loaded processors to lightly loaded processors leading to a reduction in the overall computational time. In dynamic load balancing, workloads are adjusted continually or periodically throughout the computation. In this thesis load balancing strategies were evaluated and some load balancing policies developed. A load index and a profitability determination algorithms were developed. These were used to enhance two load balancing algorithms. One of the algorithms exhibits local communications and distributed load evaluation between the neighbour partitions (diffusion algorithm) and the other algorithm exhibits both local and global communications while the decision making is centralized (MaS algorithm). The enhanced algorithms were implemented and synthesized with a research parallel traffic simulation. The performance of the research parallel traffic simulator, optimized with the two modified dynamic load balancing strategies were studied.
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Åberg, Skender Dennis. "Modelling of Test Bench for Road Load Simulation." Thesis, Linköpings universitet, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141957.

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Warehouse forklifts are often powered by batteries. By using a test bench where the forklift can be driven in a certain driving-cycle, the battery capacity can be tested. To obtain the same speed curve on the test bench as a forklift obtains when driving on a real road, the test bench must be able to simulate road load. In this master’s thesis, a test bench is modelled in Simulink using grey-box modelling and validated with measured data. Also, a speed regulator is developed and implemented in the test bench model to simulate road load. Simulations with the model and the speed regulator show high accuracy when compared against measured data. However, the results show that the pre-attached torque sensor is not optimally located, and that the gear oil temperature is of interest to measure to be able to model the friction torque as a function of the temperature.
Lagertruckar drivs ofta av batterier. Batterikapaciteten kan testas genom att använda en testbänk där trucken körs i en körcykel. För att simulera samma hastighetskurva på testbänken som trucken erhåller vid riktig körning på väg måste testbänken kunna simulera vägmotstånd. I detta examensarbete modelleras en testbänk i Simulink genom grey-box modellering och valideras med uppmätt data. Även en hastighetsregulator utvecklas och implementeras i modellen för att simulera vägmotstånd. Simuleringar med modellen och hastighetsregulatorn visar på hög träffsäkerhet jämfört med uppmätt data. Resultaten visar dock på att den monterade momentsensorn inte är optimalt belägen och att växeloljans temperatur är av intresse att mäta för att kunna modellera friktionen som en funktion av temperaturen.
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Books on the topic "Road loads"

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Hauling heavyweights: Moving extra-large loads by road. Wellingborough: P. Stephens, 1986.

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Nixon, Wilfrid A. Field measurements of plow loads during ice removal operations. Iowa City: Iowa Institute of Hydraulic Research, University of Iowa, 1993.

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Truck & Bus Meeting & Exposition (1988 Indianapolis, Ind.). Vehicle/pavement interaction: Where the truck meets the road. Warrendale, PA: Society of Automotive Engineers, 1988.

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Rufolo, Anthony M. Effect of weight-mile tax on road damage in Oregon. Salem, OR: Oregon Dept. of Transportation, Research Group, 1999.

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Rufolo, Anthony M. Effect of weight-mile tax on road damage in Oregon. Salem, OR: Oregon Dept. of Transportation, Research Group, 1999.

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International Symposium on Heavy Vehicle Weights and Dimensions (4th 1995 Ann Arbor, Mich.). Road transport technology, 4: Proceedings of the Fourth International Symposium on Heavy Vehicle Weights and Dimensions. Ann Arbor, MI: The Institute, 1995.

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L, Carrasquillo R., ed. Production of high strength concrete. Park Ridge, N.J., U.S.A: Noyes Publications, 1986.

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. McLean, VA: U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. McLean, VA: U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. McLean, VA: Federal Highway Administration, Turner-Fairbank Highway Research Center, 1998.

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Book chapters on the topic "Road loads"

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Hirst, Jack, John Whipp, and Roy Brooks. "Moving Loads." In Repair and Servicing of Road Vehicles, 109–11. London: Palgrave Macmillan UK, 1989. http://dx.doi.org/10.1007/978-1-349-11096-4_5.

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Hirst, Jack, and John Whipp. "Moving Loads." In Repair and Servicing of Road Vehicles, 109–11. London: Macmillan Education UK, 1989. http://dx.doi.org/10.1007/978-1-349-11098-8_5.

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Yang, Shaopu, Liqun Chen, and Shaohua Li. "Road Dynamic Responses Under Moving Vehicle Loads Based on Double-Layer Plate Model." In Dynamics of Vehicle-Road Coupled System, 161–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45957-7_5.

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Yang, Shaopu, Liqun Chen, and Shaohua Li. "Road Dynamic Responses Under Moving Vehicle Loads Based on Three-Dimensional Finite Element Model." In Dynamics of Vehicle-Road Coupled System, 195–214. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45957-7_6.

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Tassybekov, Zhandos, Tassybek Bekenov, and Zhanibek Nussupbek. "Assessment of Compaction of the Road Base from Repeated Exposure to Frequently Repeated Loads of Self-propelled Road Roller." In ICTE in Transportation and Logistics 2019, 164–70. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39688-6_22.

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Pierce, John F. "The rod equilibrium problem." In Singularity Theory, Rod Theory, and Symmetry-Breaking Loads, 66–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0093784.

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Wang, Jiazhuo G., and Juan Yang. "All Roads Lead to Rome—Reverse Merger Financing." In Financing without Bank Loans, 127–36. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0901-3_10.

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Pierce, John F. "The spaces of loads." In Singularity Theory, Rod Theory, and Symmetry-Breaking Loads, 32–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0093783.

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Pierce, John F. "Introduction." In Singularity Theory, Rod Theory, and Symmetry-Breaking Loads, 1–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0093781.

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Pierce, John F. "The spaces of configurations." In Singularity Theory, Rod Theory, and Symmetry-Breaking Loads, 7–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0093782.

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Conference papers on the topic "Road loads"

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Liu, Ligang, Xiaofeng Ran, and Life Li. "Hybrid Vehicle Road Loads Simulation and Correlation." In SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2007. http://dx.doi.org/10.4271/2007-01-1202.

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Gromba, Jozef, Sylwester Sobieraj, and Rajmund Sykulski. "Designing of Road Loads Simulator for EV." In 2018 International Symposium on Electrical Machines (SME). IEEE, 2018. http://dx.doi.org/10.1109/isem.2018.8442898.

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Ibram, Dzhengiz, and Valchan Georgiev. "Control of loads of road tunnel Zheleznitsa." In 2019 11th Electrical Engineering Faculty Conference (BulEF). IEEE, 2019. http://dx.doi.org/10.1109/bulef48056.2019.9030750.

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Tchorzewski, R. M., and C. E. Jaske. "Integrity Issues for Buried Piping Subjected to Overburden and Cyclic Traffic Loads." In 2002 4th International Pipeline Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ipc2002-27144.

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Buried medium and small diameter piping at road crossings and under access roads within plant or oil terminal boundaries that is not protected by any sort of casing presents inspection difficulties because access normally calls for a selective or total excavation of such piping. Often, only when an oil or gas leak is suspected to originate in the area of a road crossing, is such piping excavated and inspected. Sometimes such a finding will stimulate inspections at other selected road crossings as well as failure analysis of the pipe where the oil or gas leak was found. One of the root causes of piping failure at road crossings and under access roads may be the overburden (the soil cover above the buried pipe) and cyclic traffic load stresses that are increased in the carrier pipe because of local areas of reduced wall thickness, mechanical damage such as a dent or surface cracking. In-service corrosion or damage of the uncased pipe at road crossings can lead to integrity problems since the original design assumptions or safety margin for such piping may no longer hold. This paper reviews a typical approach to analyze buried pipe design at road crossings and adds selected API RP 579 procedures to illustrate the analysis of fatigue loadings. A brief note on common inspection practices and techniques for buried medium and small diameter piping at road crossings and within plant limits is also included.
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Kern, Joshua V., and John B. Ferris. "Characterizing 2-D Topographic Mappings of Roads." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15233.

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Load data representing severe customer usage is needed throughout a chassis development program; the majority of these chassis loads originate with the excitation from the road. These chassis loads are increasingly derived from vehicle simulations, however simulating a vehicle traversing long roads is impractical and a method to produce short roads with given characteristics must be developed. The first step is to consider the road to be a realization of an underlying stochastic process. There are many methods currently available to characterize roads when they are assumed to be homogeneous. The issue of non-stationarity that arises when a vehicle traverses a homogenous road at a varying speed has also been discussed. This work develops of method of characterizing non-stationary road profile data using a pure autoregressive process. The model is developed utilizing the sample autocorrelation and partial autocorrelation functions. The adequacy of the model is evaluated through statistical diagnostic checks performed on synthetic road data generated by the autoregressive model parameters. Use of these parameters to classify roads is also discussed as possible future work. Any synthetic road realized from a given class of model parameters will represent all roads in that set.
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Goto, Keiichi, Watanabe Tsutomu, and Masamichi Sogabe. "Allowable wheel loads of prestressed concrete sleepers standardized by JIS." In Fifth International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2018. http://dx.doi.org/10.5592/co/cetra.2018.861.

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Jayakumar, P., J. Alanoly, and R. Johnson. "Three-Link Leaf-Spring Model for Road Loads." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-0625.

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Bäcker, Manfred, Thomas Langthaler, Markus Olbrich, and Helge Oppermann. "The Hybrid Road Approach for Durability Loads Prediction." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-0628.

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Stancato, Fernando, and Helcio Onusic. "Road Bus Heat Loads Numerical and Experimental Evaluation." In 1995 Vehicle Thermal Management Systems Conference and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1997. http://dx.doi.org/10.4271/971825.

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Vemuri, Achyut, Nitin Talekar, and Bhaskar Avutapalli. "Road Loads for Durability Analysis using Virtual Iterations." In WCX World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2018. http://dx.doi.org/10.4271/2018-01-0567.

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Reports on the topic "Road loads"

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Whisler, Daniel, Rafael Gomez Consarnau, and Ryan Coy. Novel Eco-Friendly, Recycled Composites for Improved CA Road Surfaces. Mineta Transportation Institute, July 2021. http://dx.doi.org/10.31979/mti.2021.2046.

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The continued use of structural plastics in consumer products, industry, and transportation represents a potential source for durable, long lasting, and recyclable roadways. Costs to dispose of reinforced plastics can be similar to procuring new asphalt with mechanical performance exceeding that of the traditional road surface. This project examines improved material development times by leveraging advanced computational material models based on validated experimental data. By testing traditional asphalt and select carbon and glass reinforced composites, both new and recycled, it is possible to develop a finite element simulation that can predict the material characteristics under a number of loads virtually, and with less lead time compared to experimental testing. From the tested specimens, composites show minimal strength degradation when recycled and used within the asphalt design envelopes considered, with an average of 49% less wear, two orders of magnitude higher compressive strength, and three orders for tensile strength. Predictive computational analysis using the validated material models developed for this investigation confirms the long-term durability.
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Yuasa, Takuya, and Toshiaki Nakamaru. Road Load Prediction Method Using Effective Road Profile. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0129.

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Haga, Hitoshi. Evaluation Method for Road Load Simulation~Load Prediction for Durability Using a Tire Model. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0130.

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Albrecht, Jochen, Andreas Petutschnig, Laxmi Ramasubramanian, Bernd Resch, and Aleisha Wright. Comparing Twitter and LODES Data for Detecting Commuter Mobility Patterns. Mineta Transportation Institute, May 2021. http://dx.doi.org/10.31979/mti.2021.2037.

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Local and regional planners struggle to keep up with rapid changes in mobility patterns. This exploratory research is framed with the overarching goal of asking if and how geo-social network data (GSND), in this case, Twitter data, can be used to understand and explain commuting and non-commuting travel patterns. The research project set out to determine whether GSND may be used to augment US Census LODES data beyond commuting trips and whether it may serve as a short-term substitute for commuting trips. It turns out that the reverse is true and the common practice of employing LODES data to extrapolate to overall traffic demand is indeed justified. This means that expensive and rarely comprehensive surveys are now only needed to capture trip purposes. Regardless of trip purpose (e.g., shopping, regular recreational activities, dropping kids at school), the LODES data is an excellent predictor of overall road segment loads.
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Al-Qadi, Imad, Egemen Okte, Aravind Ramakrishnan, Qingwen Zhou, and Watheq Sayeh. Truck-Platoonable Pavement Sections in Illinois’ Network. Illinois Center for Transportation, February 2021. http://dx.doi.org/10.36501/0197-9191/21-002.

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Truck platooning has many benefits over traditional truck mobility. Literature shows that platooning improves safety and reduces fuel consumption between 5% and 15% based on platoon configuration. In Illinois, trucks carry more than 50% of freight tonnage and constitute 25% of the traffic on interstates. Deployment of truck platooning within interstate highways would result in significant fuel savings, but may have a direct impact on flexible pavement performance. The channelization of the platoon and reduced rest time between consecutive loads would accelerate the damage accumulation at the channelized position. Ultimately, this would lead to pavement service life reduction and a subsequent increase in maintenance and rehabilitation costs. Therefore, the main objective of this project is to quantify the effects of platooning on flexible pavements and provide guidelines for the state of Illinois by considering the aforementioned factors. Although the benefits of platooning are quantifiable, not every truck route is platoonable. For efficient platooning, trucks need to travel at a constant high speed for extended distances. The integrity of the platoon should be preserved because interfering vehicles would compromise the platooning benefits and road safety. An introduced high-level approach considers the volume/capacity of a roadway and the expected number of highway exit and entry conflicts. Using these parameters, each roadway section is assigned a level of platoonability, ranging from one to five—with five being the highest. A framework was developed to analyze the Illinois highway network. It was found that 89% of the network highway is platoonable under average capacity conditions.
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McIntosh, A. C., and Jr. Road Test of Two-High Palletized Load on Heavy Expanded Mobility Tactical Truck (HEMTT) Secured with Web Strap Tiedown Assemblies. Fort Belvoir, VA: Defense Technical Information Center, October 1989. http://dx.doi.org/10.21236/ada244436.

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Rahai, Hamid, and Assma Begum. Numerical Investigations of Transient Wind Shear from Passing Vehicles Near a Road Structure (Part I: Unsteady Reynolds-Averaged Navier-Stokes Simulations). Mineta Transportation Institute, January 2021. http://dx.doi.org/10.31979/mti.2020.1933.

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In this research, the authors performed unsteady numerical simulations of a moving Ahmed body under a freeway overpass at different distances from the bridge columns in order to evaluate transient wind shear and the wind load on these columns. Results have shown that when the vehicle is at 0.75W distance from the bridge columns, an unsteady wind speed of up to 24 m/s is observed at the columns with a pressure coefficient difference of 0.9. Here W is the width of the vehicle. These results indicate with an appropriate system for harnessing these wind energy potentials, significant renewable electric power could be generated with zero carbon footprint.
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Bao, Jieyi, Xiaoqiang Hu, Cheng Peng, Yi Jiang, Shuo Li, and Tommy Nantung. Truck Traffic and Load Spectra of Indiana Roadways for the Mechanistic-Empirical Pavement Design Guide. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317227.

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The Mechanistic-Empirical Pavement Design Guide (MEPDG) has been employed for pavement design by the Indiana Department of Transportation (INDOT) since 2009 and has generated efficient pavement designs with a lower cost. It has been demonstrated that the success of MEPDG implementation depends largely on a high level of accuracy associated with the information supplied as design inputs. Vehicular traffic loading is one of the key factors that may cause not only pavement structural failures, such as fatigue cracking and rutting, but also functional surface distresses, including friction and smoothness. In particular, truck load spectra play a critical role in all aspects of the pavement structure design. Inaccurate traffic information will yield an incorrect estimate of pavement thickness, which can either make the pavement fail prematurely in the case of under-designed thickness or increase construction cost in the case of over-designed thickness. The primary objective of this study was to update the traffic design input module, and thus to improve the current INDOT pavement design procedures. Efforts were made to reclassify truck traffic categories to accurately account for the specific axle load spectra on two-lane roads with low truck traffic and interstate routes with very high truck traffic. The traffic input module was updated with the most recent data to better reflect the axle load spectra for pavement design. Vehicle platoons were analyzed to better understand the truck traffic characteristics. The unclassified vehicles by traffic recording devices were examined and analyzed to identify possible causes of the inaccurate data collection. Bus traffic in the Indiana urban areas was investigated to provide additional information for highway engineers with respect to city streets as well as highway sections passing through urban areas. New equivalent single axle load (ESAL) values were determined based on the updated traffic data. In addition, a truck traffic data repository and visualization model and a TABLEAU interactive visualization dashboard model were developed for easy access, view, storage, and analysis of MEPDG related traffic data.
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Effects of Jefferson Road stormwater-detention basin on loads and concentrations of selected chemical constituents in East Branch of Allen Creek at Pittsford, Monroe County, New York. US Geological Survey, 2004. http://dx.doi.org/10.3133/wri034301.

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