Nchrp Synthesis 353
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Nchrp Synthesis 353
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Author : Habib Tabatabai
language : en
Publisher:
Release Date : 2006
Nchrp Synthesis 353 written by Habib Tabatabai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Electronic book categories.
Inspection And Maintenance Of Bridge Stay Cable Systems
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Author : Habib Tabatabai
language : en
Publisher: Transportation Research Board
Release Date : 2005
Inspection And Maintenance Of Bridge Stay Cable Systems written by Habib Tabatabai and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Technology & Engineering categories.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 353: Inspection and Maintenance of Bridge Stay Cable Systems identifies and explains various inspection and maintenance techniques for bridge stay cable systems. It discusses both short- and long-term approaches. The report information on methods for inspections and assessments, including nondestructive testing and evaluation procedures; repair and retrofit; methods for control of cable vibrations, including rainwind vibrations; stay cable fatigue and failure; effectiveness of various inspection and repair methods; limitations of available technologies; and trends and recommendations for future study.
Risk Based Strategies For Bridge Maintenance
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Author : Khaled M Mahmoud
language : en
Publisher: CRC Press
Release Date : 2023-08-16
Risk Based Strategies For Bridge Maintenance written by Khaled M Mahmoud and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-16 with Technology & Engineering categories.
Effective maintenance of bridge structures comprises a broad spectrum of plans for repairs and services implemented to enable bridges to perform their intended function. These include in-depth inspection, fatigue analysis, design of mitigation measures and construction to avert component deterioration. Several incidents of in-service and under construction bridge failures have recently taken place. These dramatic failures emphasize the importance of risk-based inspections and analysis of real-life data to evaluate reliability of bridges. To effectuate benefits of reliability analysis in bridge maintenance, work on theoretical reliability must be equipped with practical analytical tools. Such an approach must underscore risk elements and identify processes to manage risk and avoid unexpected outcomes of failures and service disruption of bridges. The devastating earthquakes of February 6, 2023, in the southern region of Turkey near the northern border of Syria, which claimed tens of thousands of lives, caused enormous structural damage and staggering economic losses. These seismic events brought to focus on the vitality of instilling infrastructure routes that must accommodate emergency management plans to integrate the influx of medical and rescue response teams. The safe operation of bridges along these routes is indispensable for mobilization and deployment of rescue teams, medical personnel, humanitarian assistance, and the supply of food and water. The reliability of access routes and bridges is defined by their ability to adequately function as planned to effectuate emergency management plans, in the event of a similar seismic event, anywhere in the world. Risk-Based Strategies for Bridge Maintenance contains selected papers presented at the 11th New York City Bridge Conference (New York City, USA, 21-22 August 2023), and discusses issues of reliability, risk assessment, management, maintenance, inspection, monitoring, design, preservation, and rehabilitation of bridges. The book is aimed at bridge engineers.
Structural Health Monitoring Of Long Span Suspension Bridges
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Author : You Lin Xu
language : en
Publisher: CRC Press
Release Date : 2011-08-31
Structural Health Monitoring Of Long Span Suspension Bridges written by You Lin Xu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Technology & Engineering categories.
Long span suspension bridges cost billions. In recent decades, structural health monitoring systems have been developed to measure the loading environment and responses of these bridges in order to assess serviceability and safety while tracking the symptoms of operational incidents and potential damage. This helps ensure the bridge functions properly during a long service life and guards against catastrophic failure under extreme events. Although these systems have achieved some success, this cutting-edge technology involves many complex topics that present challenges to students, researchers, and engineers alike. Systematically introducing the fundamentals and outlining the advanced technologies for achieving effective long-term monitoring, Structural Health Monitoring of Long-Span Suspension Bridges covers: The design of structural health monitoring systems Finite element modelling and system identification Highway loading monitoring and effects Railway loading monitoring and effects Temperature monitoring and thermal behaviour Wind monitoring and effects Seismic monitoring and effects SHMS-based rating method for long span bridge inspection and maintenance Structural damage detection and test-bed establishment These are applied in a rigorous case study, using more than ten years' worth of data, to the Tsing Ma suspension bridge in Hong Kong to examine their effectiveness in the operational performance of a real bridge. The Tsing Ma bridge is the world's longest suspension bridge to carry both a highway and railway, and is located in one of the world’s most active typhoon regions. Bridging the gap between theory and practice, this is an ideal reference book for students, researchers, and engineering practitioners.
Computational Analysis And Design Of Bridge Structures
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Author : Chung C. Fu
language : en
Publisher: CRC Press
Release Date : 2014-12-11
Computational Analysis And Design Of Bridge Structures written by Chung C. Fu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-11 with Technology & Engineering categories.
Gain Confidence in Modeling Techniques Used for Complicated Bridge StructuresBridge structures vary considerably in form, size, complexity, and importance. The methods for their computational analysis and design range from approximate to refined analyses, and rapidly improving computer technology has made the more refined and complex methods of ana
Bridge Management
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Author : Bojidar Yanev
language : en
Publisher:
Release Date : 2007-01-22
Bridge Management written by Bojidar Yanev and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-22 with Technology & Engineering categories.
A comprehensive, up-to-the-minute account of bridge management developments for researchers, designers, builders, administrators, and owners Bridge Management draws on Bojidar Yanev's thirty years of research, teaching, and consulting as well as his management of 800 of New York City's 2,200 bridges. It offers an insider's view of the problems to be resolved in bridge management by civil and transportation engineers, budget and asset managers, abstract analysts, and hands-on field workers. The personal search of the author for solutions is juxtaposed with an overview of the dynamic interactions between bridge builders and the social and physical forces shaping the transportation infrastructure over the centuries. Bridge Management uniquely integrates the priorities, constraints, objectives, and tastes governing the domains of structural mechanics, economics, public administration, and field operations at both the project and network levels. It features: A review of current bridge management vulnerabilities, objectives, tools, and products Dozens of case studies illustrating the application of analytic models, and practical developments currently shaping the field Unique chapters exploring the evolution of bridge design, construction, and maintenance, from the origins of deliberate planning to the current integrated lifecycle asset management models
Pattern Recognition And Computer Vision
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Author : Yuxin Peng
language : en
Publisher: Springer Nature
Release Date : 2020-10-14
Pattern Recognition And Computer Vision written by Yuxin Peng and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-14 with Computers categories.
The three-volume set LNCS 12305, 12306, and 12307 constitutes the refereed proceedings of the Third Chinese Conference on Pattern Recognition and Computer Vision, PRCV 2020, held virtually in Nanjing, China, in October 2020. The 158 full papers presented were carefully reviewed and selected from 402 submissions. The papers have been organized in the following topical sections: Part I: Computer Vision and Application, Part II: Pattern Recognition and Application, Part III: Machine Learning.
Advances In Cable Supported Bridges
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Author : Khaled Mahmoud
language : en
Publisher: CRC Press
Release Date : 2017-12-14
Advances In Cable Supported Bridges written by Khaled Mahmoud and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-14 with Technology & Engineering categories.
Cable-supported bridges are known for their visual elegance, aesthetic appeal and ability to link long spans. The extent of issues of concern associated with these structures is commensurate with their size and vast scale. Significant advances in the technology of assessment, design, construction and maintenance of cable-supported bridges have been achieved in the past few years, due to increasing awareness, collaboration and information exchange.This book contains selected papers on cable-supported bridges as presented at the 5th International Cable-Supported Bridge Operators' Conference, held in New York City on August 28-29, 2006. It includes papers by leading international bridge engineers. Presenting state-of-the-art material, the book is an authoritative account on the developments in the field, this volume forms essential reading to anyone working on cable-supported bridges. Advances in Cable-Supported Bridges .
The U S Department Of Transportation S Comprehensive Truck Size And Weight Study Volume Iv Guide To Documentation
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Author :
language : en
Publisher:
Release Date : 2000
The U S Department Of Transportation S Comprehensive Truck Size And Weight Study Volume Iv Guide To Documentation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Regulation Of Weights Lengths And Widths Of Commercial Motor Vehicles
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Author : Transportation Research Board
language : en
Publisher: National Academies Press
Release Date : 2005-07-14
Regulation Of Weights Lengths And Widths Of Commercial Motor Vehicles written by Transportation Research Board and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-07-14 with Transportation categories.
TRB Special Report 267 - Regulation of Weights, Lengths, and Widths of Commercial Motor Vehicles recommends the creation of an independent public organization to evaluate the effects of truck traffic, pilot studies of new truck designs, and a change in federal law authorizing states to issue permits for operation of larger trucks on the Interstates. In 1991, Congress placed a freeze on maximum truck weights and dimensions. Some safety groups were protesting against the safety implications of increased truck size and weight, and the railroads were objecting to the introduction of vehicles they deemed to have an unfair advantage. Railroads, unlike trucking firms, must pay for the capital costs of their infrastructure. The railroads contend that large trucks do not pay sufficient taxes to compensate for the highway damage they cause and the environmental costs they generate. Although Congress apparently hoped it had placed a cap on maximum truck dimensions in 1991, such has not proven to be the case. Carriers operating under specific conditions have been able to seek and obtain special exceptions from the federal freeze by appealing directly to Congress (without any formal review of the possible consequences), thereby encouraging additional firms to seek similar exceptions. In the Transportation Equity Act for the 21st Century, Congress requested a TRB study to review federal policies on commercial vehicle dimensions. The committee that undertook the study that resulted in Special Report 267 found that regulatory analyses of the benefits and costs of changes in truck dimensions are hampered by a lack of information. Regulatory decisions on such matters will always entail a degree of risk and uncertainty, but the degree of uncertainty surrounding truck issues is uunusually high and unnecessary. The committee concluded that the uncertainty could be alleviated if procedures were established for carrying out a program oof basic and applied research, and if evaluation and monitoring were permanent components of the administration of trucking regulations. The committee recommended immediate changes in federal regulations that would allow for a federally supervised permit program. The program would permit the operation of vehicles heavier than would normally be allowed, provided that the changes applied only to vehicles with a maximum weight of 90,000 pounds, double trailer configurations with each trailer up to 33 feet, and an overall weight limit governed by the federal bridge formula. Moreover, enforcement of trucks operating under such a program should be strengthened, and the permits should require that users pay the costs they occasion. States should be free to choose whether to participate in the permit program. Those that elected to do so would be required to have in place a program of bridge management, safety monitoring, enforcement, and cost recovery, overseen by the federal government. The fundamental problem involved in evaluating proposals for changes in truck dimensions is that their effects can often only be estimated or modeled. The data available for estimating safety consequences in particular are inadequate and probably always will be. Thus, the committee that conducted this study concluded that the resulting analyses usually involve a high degree of uncertainty. What is needed is some way to evaluate potential changes through limited and carefully controlled trials, much as proposed new drugs are tested before being allowed in widespread use. The committee recommended that a new independent entity be created to work with private industry in evaluating new concepts and recommending changes to regulatory agencies. Limited pilot tests would be required, which would need to be carefully designed to avoid undue risks and ensure proper evaluation. Special vehicles could be allowed to operate under carefully controlled circumstances, just as oversize and overweight vehicles are allowed to operate under special permits in many states. Changes in federal laws and regulations would be required to allow states to issue such permits on an expanded network of highways, under the condition that a rigorous program of monitoring and evaluation be instituted.Special Report 269 Summary