Seismic Analysis And Design Of Precast Concrete Segmental Bridges
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Seismic Analysis And Design Of Precast Concrete Segmental Bridges
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Author : Petros Sideris
language : en
Publisher:
Release Date : 2012
Seismic Analysis And Design Of Precast Concrete Segmental Bridges written by Petros Sideris and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
In this dissertation, the concept of hybrid sliding-rocking (HSR) precast concrete post-tensioned segmental members for seismic applications in bridges is introduced and investigated experimentally and numerically. The HSR members lie into the framework of accelerated bridge construction techniques (ABC) and are primarily intended for applications in moderate and high seismicity areas. The HSR members combine two fundamental components, namely the HSR segmental joints, and the internal unbonded post-tensioning. The HSR joints utilize relative segment-to-segment sliding (joint sliding) and gap opening (joint rocking) to mitigate the applied seismic loading. Joint sliding offers high energy dissipation with minor structural damage as well as moderate self-centering. On the other hand, joint rocking offers low energy dissipation and high self-centering capabilities that deteriorate at larger rocking rotations due to the resulting concrete crushing.^The response of HSR joints is affected by the geometry of the post-tensioning (PT) system along the member length. Hence, linear or nonlinear PT geometry may be used to control joint and member response properties. Two distinct types of HSR members were further studied: (i) HSR members with slip-dominant joints and linear PT geometry (abbreviated as HSR-SD members), and (ii) HSR members with rocking- dominant joints and nonlinear PT geometry (abbreviated as HSR-RD members). The concept of HSR bridges was evaluated through a two-stage experimental study. The first stage included shake table testing of a large-scale (~ 1:2. 39) single-span bridge specimen incorporating a HSR-RD superstructure and two HSR-SD single-column piers. Nearly 150 seismic tests were conducted including far-field and near-fault input motions scaled to different seismic hazard levels.^The second stage included quasi-static testing of the HSR-SD piers with a sequence of displacement-controlled loading cycles of increasing amplitude that eventually reached a drift ratio of approximately 15%. The experimental findings from the large-scale seismic and quasi-static testing programs were complemented by two additional experimental studies; one focusing on the identification of the frictional properties of the HSR joint interface, and another investigating the response of the strand-anchor systems (i.e., unbonded monostrands with their anchorage setups at their ends). Numerical predictions for the quasi-static testing were provided by a model of the HSR-SD pier generated with the ABAQUS general-purpose finite element software, while numerical predictions for the seismic testing were provided by a model of the HSR bridge specimen generated in SAP2000. Comparisons between numerical and experimental results are presented.^This dissertation is concluded with an investigation of the response properties of flexibility-based (or force-based) beam-column elements in the presence of softening section constitutive relations. This study identified and explained critical numerical instability problems observed during the development of force-based elements for HSR members.
Proceedings Of The 2023 4th International Conference On Management Science And Engineering Management Icmsem 2023
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Author : Suhaiza Hanim Binti Dato Mohamad Zailani
language : en
Publisher: Springer Nature
Release Date : 2023-10-07
Proceedings Of The 2023 4th International Conference On Management Science And Engineering Management Icmsem 2023 written by Suhaiza Hanim Binti Dato Mohamad Zailani and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-07 with Technology & Engineering categories.
This is an open access book.Management science aims to study the dynamic study of human use of limited resources in management activities to achieve organizational goals: complex and innovative social behavior and its laws. And engineering management refers to the management of important and complex new products, equipment and devices in the process of development, manufacturing and production, and also includes the study and management of technological innovation, technological transformation, transformation, transformation, layout and strategy of industrial engineering technology development. The development or breakthrough of management theory is accompanied by the development and progress of science and technology, and the level of science and technology and the level of management theory in each historical period are mutually adaptive, and it can be said that the progress of science and technology plays an important role in promoting the development of management. At the same time, the rapid development and progress of science and technology give a strong injection to the development of engineering, and provide the possibility for engineering construction can use new technology, new equipment, new technology and new materials. Modern management is an important development direction of management science nowadays. And the use of modern management in engineering has an important role in saving social costs, ensuring project quality, and improving safety awareness and behavior. ICMSEM 2023 will focus on modern management, discuss about the benefits that modernization brings to engineering. ICMSEM 2023 aims to: Develop and advance management science through the study and application of certain issues. Open up new perspectives in the sharing of speakers and inspire the audience to new ways of managing in engineering. Create a forum for sharing, research and exchange at the international level, so that the participants can be informed of the latest research directions, results and contents of management science, which will inspire them to new ideas for research and practice.
Concrete Segmental Bridges
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Author : Dongzhou Huang
language : en
Publisher: CRC Press
Release Date : 2020-01-11
Concrete Segmental Bridges written by Dongzhou Huang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-11 with Technology & Engineering categories.
Segmental concrete bridges have become one of the main options for major transportation projects world-wide. They offer expedited construction with minimal traffic disruption, lower life cycle costs, appealing aesthetics and adaptability to a curved roadway alignment. The literature is focused on construction, so this fills the need for a design-oriented book for less experienced bridge engineers and for senior university students. It presents comprehensive theory, design and key construction methods, with a simple design example based on the AASHTO LRFD Design Specifications for each of the main bridge types. It outlines design techniques and relationships between analytical methods, specifications, theory, design, construction and practice. It combines mathematics and engineering mechanics with the authors’ design and teaching experience.
Seismic Performance Of Precast Segmental Bridge Superstructures
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Author :
language : en
Publisher:
Release Date : 2002
Seismic Performance Of Precast Segmental Bridge Superstructures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Bridges categories.
Seismic Analysis Behavior And Performance Based Design Of Unbonded Post Tensioned Concrete Substructure Systems
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Author : Wing-Pin Kwan
language : en
Publisher:
Release Date : 2001
Seismic Analysis Behavior And Performance Based Design Of Unbonded Post Tensioned Concrete Substructure Systems written by Wing-Pin Kwan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Concrete bridges categories.
Application Of Accelerated Bridge Construction Connections In Moderate To High Seismic Regions
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Author :
language : en
Publisher: Transportation Research Board
Release Date : 2011
Application Of Accelerated Bridge Construction Connections In Moderate To High Seismic Regions written by 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 2011 with Technology & Engineering categories.
TRB’s National Cooperative Highway Research Program (NCHRP) Report 698: Application of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions evaluates the performance of connection details for bridge members in accelerated bridge construction in medium-to-high seismic regions and offers suggestions for further research.
Cable Stayed Bridges
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Author : Ayman Shama
language : en
Publisher: CRC Press
Release Date : 2025-05-14
Cable Stayed Bridges written by Ayman Shama and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-14 with Science categories.
Cable stayed bridges are seen as the alternative that fills the gap between long span bridges and suspension bridges. During the 1980s, several types of construction of cable stayed bridges such as steel, segmental concrete, composite steel and concrete superstructures emerged in different countries. The great evolution in computational methods, materials, and methods of construction has contributed to the tremendous development in state of the art cable stayed bridges in the past two decades. With spans that exceed one thousand meters, cable stayed bridges are now becoming a substitute for suspension bridges. This book outlines the development in the design of cable stayed bridges. Rigorous methods of analysis are presented. Simplified methods that lead to preliminary estimation of forces in major members for design are discussed. The book first reviews the evolution of this type of bridge, with focus on the vast development during the past twenty years. The book then discusses the basic principles of cable stayed bridges, related to aspects of analysis, design, construction, and maintenance. Specific issues such as aerodynamic stability of the bridges and different methods of testing and analysis required for this purpose are explained. Cable vibration problems are summarized and methods of its control are outlined. Special attention is given to the performance-based design method and one chapter is devoted towards explanation of the merits of this trend in design. Application of the method to the seismic and fire safety designs of cable stayed bridges is also covered.
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
Performance Based Seismic Bridge Design
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Author : M. Lee Marsh
language : en
Publisher: Transportation Research Board
Release Date : 2013
Performance Based Seismic Bridge Design written by M. Lee Marsh 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 2013 with Technology & Engineering categories.
"TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 440, Performance-Based Seismic Bridge Design (PBSD) summarizes the current state of knowledge and practice for PBSD. PBSD is the process that links decision making for facility design with seismic input, facility response, and potential facility damage. The goal of PBSD is to provide decision makers and stakeholders with data that will enable them to allocate resources for construction based on levels of desired seismic performance"--Publisher's description.
Prestressed Concrete Bridges
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Author : Christian Menn
language : en
Publisher: Birkhäuser
Release Date : 2012-12-06
Prestressed Concrete Bridges written by Christian Menn and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
This book was written to make the material presented in my book, Stahlbetonbrucken, accessible to a larger number of engineers throughout the world. A work in English, the logical choice for this task, had been contemplated as Stahlbetonbrucken was still in its earliest stages of preparation. The early success of Stahlbetonbrucken provided significant impetus for the writing of Prestressed Concrete Bridges, which began soon after the publication of its predecessor. The present work is more than a mere translation of Stahlbetonbrucken. Errors in Stahlbetonbrucken that were detected after publication have been corrected. New material on the relation between cracking in concrete and corrosion of reinforce ment, prestressing with unbonded tendons, skew-girder bridges, and cable-stayed bridges has been added. Most importantly, however, the presentation of the material has been extensively reworked to improve clarity and consistency. Prestressed Concrete Bridges can thus be regarded as a thoroughly new and improved edition of its predecessor.