Dynamic Impact Factors for Bridges
Dynamic Impact Factors for Bridges

Author: David I. McLean

Publisher: Transportation Research Board

Published: 1998

Total Pages: 72

ISBN-13: 9780309068192

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This synthesis will be of interest to state department of transportation and consulting bridge, structural, and research engineers. The synthesis describes the current state of the practice for determining dynamic impact factors for bridges. Information for the synthesis was collected by surveying U.S. and Canadian transportation agencies and by conducting a literature search using domestic and foreign sources. This report of the Transportation Research Board documents relevant background and recent information with regard to vehicular dynamic load effects on bridges. It provides details on the basic concepts of bridge dynamics, including identification of the main variables affecting bridge dynamic response. In addition, current code provisions for accounting for vehicular dynamic load effects for new bridge design and load evaluation of existing bridges are reported, including a discussion on the background of the provisions. Finally, a discussion of observed field problems associated with vehicular dynamic load effects, as obtained from the survey, are included.

Highway Vehicle-bridge Coupled Vibrations: Numerical Simulations And Applications
Highway Vehicle-bridge Coupled Vibrations: Numerical Simulations And Applications

Author: Steve C S Cai

Publisher: World Scientific

Published: 2020-09-23

Total Pages: 546

ISBN-13: 9811216436

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Vehicle-bridge interaction happens all the time on roadway bridges and this interaction performance carries much useful information. On one hand, while vehicles are traditionally viewed as loads for bridges, they can also be deemed as sensors for bridges' structural response. On the other hand, while bridges are traditionally viewed as carriers for vehicle weight, they can also be deemed as scales that can weigh the vehicle loads. Based on these observations, a broad area of studies based on the vehicle-bridge interaction have been conducted in the authors' research group. Understanding the vehicle and bridge interaction can help develop strategies for bridge condition assessment, bridge design, and bridge maintenance, as well as develop insight for new research needs.This book documents fundamental knowledge, new developments, and state-of-the-art applications related to vehicle-bridge interactions. It thus provides useful information for graduate students and researchers and therefore straddles the gap between theoretical research and practical applications.

Proceedings of the International Conference on Advances in Computational Mechanics 2017
Proceedings of the International Conference on Advances in Computational Mechanics 2017

Author: Hung Nguyen-Xuan

Publisher: Springer

Published: 2018-02-20

Total Pages: 1137

ISBN-13: 9811071497

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This book provides an overview of state-of-the-art methods in computational engineering for modeling and simulation. This proceedings volume includes a selection of refereed papers presented at the International Conference on Advances in Computational Mechanics (ACOME) 2017, which took place on Phu Quoc Island, Vietnam on August 2-4, 2017. The contributions highlight recent advances in and innovative applications of computational mechanics. Subjects covered include: biological systems; damage, fracture and failure; flow problems; multiscale multiphysics problems; composites and hybrid structures; optimization and inverse problems; lightweight structures; computational mechatronics; computational dynamics; numerical methods; and high-performance computing. The book is intended for academics, including graduate students and experienced researchers interested in state-of-the-art computational methods for solving challenging problems in engineering.

Proceedings
Proceedings

Author: Institution of Civil Engineers (Great Britain)

Publisher:

Published: 1980

Total Pages: 878

ISBN-13:

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Dynamics of Highway Bridges
Dynamics of Highway Bridges

Author: Don Albert Linger

Publisher:

Published: 1960

Total Pages: 115

ISBN-13:

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In the design of highway bridges, the static live load is multiplied by a factor to compensate for the dynamic effect of moving vehicles. This factor, commonly referred to as an impact factor, is intended to provide for the dynamic response of the bridge to moving loads and suddenly applied forces. Many investigators have published research which contradicts the current impact formula 1, 4, 17. Some investigators feel that the problem of impact deals not only with the increase in over-all static live load but that is an integral part of a dynamic load distribution problem 24. The current expanded highway program with the large number of bridge structures required emphasizes the need for investigating some of the dynamic behavior problems which have been generally ignored by highway engineers. These problems generally result from the inability of a designer to predict the dynamic response of a bridge structure. Many different investigations have been made of particular portions of the overall dynamic problem. The results of these varied investigations are inevitably followed by a number of unanswered questions. Ironically, many of the unanswered questions are those which are of immediate concern in the design of highway bridges, and this emphasizes the need for additional research on the problem of impact.

Advances in Structural Mechanics and Applications
Advances in Structural Mechanics and Applications

Author: José António Fonseca de Oliveira Correia

Publisher: Springer Nature

Published: 2022-06-07

Total Pages: 562

ISBN-13: 3030983358

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The proceedings of the conference is going to benefit the researchers, academicians, students and professionals in getting enlightened on latest technologies on structural mechanics, structure and infrastructure engineering. Further, work on practical applications of developed scientific methodologies to civil structural engineering will make the proceedings more interesting and useful to practicing engineers and structural designers.