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Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations contains lectures and papers presented at the Tenth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2020), held in Sapporo, Hokkaido, Japan, April 11–15, 2021. This volume consists of a book of extended abstracts and a USB card containing the full papers of 571 contributions presented at IABMAS 2020, including the T.Y. Lin Lecture, 9 Keynote Lectures, and 561 technical papers from 40 countries. The contributions presented at IABMAS 2020 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of maintenance, safety, management, life-cycle sustainability and technological innovations of bridges. Major topics include: advanced bridge design, construction and maintenance approaches, safety, reliability and risk evaluation, life-cycle management, life-cycle sustainability, standardization, analytical models, bridge management systems, service life prediction, maintenance and management strategies, structural health monitoring, non-destructive testing and field testing, safety, resilience, robustness and redundancy, durability enhancement, repair and rehabilitation, fatigue and corrosion, extreme loads, and application of information and computer technology and artificial intelligence for bridges, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of making more rational decisions on maintenance, safety, management, life-cycle sustainability and technological innovations of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including engineers, researchers, academics and students from all areas of bridge engineering.
In this study, a computational approach for conducting durability analysis of bridges using detailed finite element models is developed. The underlying approach adopted is based on the hypothesis that the two main factors affecting the life of a bridge structure are the level of repetitive loading it sustains and the natural condition of the bridge that may be thought of as a combined effect of both, physical processes in the environment that cause deterioration and any maintenance activity undertaken to thwart such processes. Detailed finite element models of representative bridges are developed and subjected to a set of representative traffic loads repeatedly. Finite element model updation is used to characterize the evolution of damage over the lifetime of a bridge and real-life data from inspection reports of bridges is used to calibrate the durability models developed. The results of this approach may be used to evaluate the permit fee structure for overweight trucks and make informed decisions for asset management of the bridges in INDOT's inventory.
TRB’s National Cooperative Highway Research Program (NCHRP) Report 700: A Comparison of AASHTO Bridge Load Rating Methods documents an analysis of 1,500 bridges that represent various material types and configurations using AASHTOWareTM Virtis® to compare the load factor rating to load and resistance factor rating for both moment and shear induced by design vehicles, American Association of State Highway and Transportation Officials (AASHTO) legal loads, and eight additional permit/legal vehicles.
"This book recounts the most serious railroad accidents worldwide from 1853 to the present time. Relevant specifics of these disasters have been researched and summary narratives written. The central purpose of this volume is to record the horrendous details surrounding railroad calamities and, more importantly, to investigate, analyze, and derive beneficial knowledge about wreck causes and deduce corrective courses of action, setting forth successful principles of accident prevention that might be useful and applicable in rail operations everywhere. The ultimate purpose therefore has been to determine universal railroad safety doctrines, the application of which will lessen the frequency and severity of future rail accidents and thereby reduce death tolls, passenger and employee injuries, and the attendant financial and material losses." "Covered herein in concise form are the accounts of 70 major rail disasters in the United States and 111 train catastrophes in various foreign countries. Included for quick reference are two tabulations showing pertinent particulars for all the railroad disasters treated in this volume. The reader, if he peruses this long list of wreck narratives, will acquire a unique understanding of the widespread incident of rail accidents and, perhaps, arrive at a personal judgment on how to best further the noble cause of accident prevention. Certainly, he will gain an eye-opening view of the dreadful scope of the long-term operational misfortunes that have plagued the mighty "Iron Horse."" "More than one hundred photographs taken at the scenes of the accidents illustrate this volume." "A substantial introduction elucidates the history of railroading in relation to death-dealing mishaps, operating safeguards, railroad personnel, the human factor, the grade crossing dilemma, rail unions and worker discipline, safety research efforts, code of railroad working rules, alcohol and drug problems, the Harriman safety awards, the legendary rail cabooses, and accident prevention guidelines." "The eleven-part appendix includes a historical/statistical review of safety on the United States railroads and reports on the horrendous Louisville & Nashville Railroad hazardous materials spillage at Crestview, Florida, on 8 April 1970. Also summarized are the rail accident prevention philosophies practiced on four foreign railway systems."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
This is a print on demand edition of a hard to find publication. Examines terrorists¿ involvement in a variety of crimes ranging from motor vehicle violations, immigration fraud, and mfg. illegal firearms to counterfeiting, armed bank robbery, and smuggling weapons of mass destruction. There are 3 parts: (1) Compares the criminality of internat. jihad groups with domestic right-wing groups. (2) Six case studies of crimes includes trial transcripts, official reports, previous scholarship, and interviews with law enforce. officials and former terrorists are used to explore skills that made crimes possible; or events and lack of skill that the prevented crimes. Includes brief bio. of the terrorists along with descriptions of their org., strategies, and plots. (3) Analysis of the themes in closing arguments of the transcripts in Part 2. Illus.
Accompanying CD-ROM contains software, Guidance manual, User manual, and appendixes to report.
This report identifies potential improvements in terms of more effective safety and environmental regulation for trucks, backed by better systems of enforcement, and identifies opportunities for greater efficiency and higher productivity.
Presents an historical atlas of Oklahoma and includes over fifteen hundred entries on places, organizations, individuals, natural features, and events significant to the region along with eighty-three maps and material on state geography, commerce, industry, and cultural development.
The traveling public has no patience for prolonged, high cost construction projects. This puts highway construction contractors under intense pressure to minimize traffic disruptions and construction cost. Actively promoted by the Federal Highway Administration, there are hundreds of accelerated bridge construction (ABC) construction programs in the United States, Europe and Japan. Accelerated Bridge Construction: Best Practices and Techniques provides a wide range of construction techniques, processes and technologies designed to maximize bridge construction or reconstruction operations while minimizing project delays and community disruption. - Describes design methods for accelerated bridge substructure construction; reducing foundation construction time and methods by using pile bents - Explains applications to steel bridges, temporary bridges in place of detours using quick erection and demolition - Covers design-build systems' boon to ABC; development of software; use of fiber reinforced polymer (FRP) - Includes applications to glulam and sawn lumber bridges, precast concrete bridges, precast joints details; use of lightweight aggregate concrete, aluminum and high-performance steel