Long Term Behavior Of A Prestressed I Girder Highway Bridge In Champaign County Illinois

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Long Term Behavior Of A Prestressed I Girder Highway Bridge In Champaign County Illinois

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Author : William Leo Gamble
language : en
Publisher:
Release Date : 1979

Long Term Behavior Of A Prestressed I Girder Highway Bridge In Champaign County Illinois written by William Leo Gamble and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Concrete bridges categories.

Field Investigation Of Prestressed Reinforced Concrete Highway Bridges

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Author : William Leo Gamble
language : en
Publisher:
Release Date : 1980

Field Investigation Of Prestressed Reinforced Concrete Highway Bridges written by William Leo Gamble and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Bridges categories.

Work accomplished over the 14.5 year life of this project is summarized, and the reports published as part of the study are referenced. Implementation of the results of the study has already been accomplished in two areas. The current loss-of-prestress provisions in the AASHTO Bridge Specification are based on recommendations prepared as part of the work of this project. Illinois DOT has stopped using span diaphragms in prestressed concrete highway bridges as a result of recommendations based on another phase of the study. The work be divided into three relatively separate phases. The first phase was the installation of deformation measuring instrumentation in three in-service bridges, the gathering of data, and the development of analysis procedures that enabled the data to be interpreted. The second phase involved the construction of relatively small scale prestressed bridge components, and their use to provide data to help confirm some information developed in the field study. The models were later tested to failure, and additional information about overload behavior was gained. The third phase was a study of the effects of span diaphragms on moment distributions in bridges, and it was concluded that these members were cost-ineffective and that their use should be discontinued.

Time Dependent Behavior Of Noncomposite And Composite Post Tensioned Concrete Girder Bridges

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Author : A. I. Fadl
language : en
Publisher:
Release Date : 1976

Time Dependent Behavior Of Noncomposite And Composite Post Tensioned Concrete Girder Bridges written by A. I. Fadl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Bridges, Concrete categories.

Srim Index

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Author :
language : en
Publisher:
Release Date : 1980

Srim Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Computer programming categories.

Pci Journal

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Author :
language : en
Publisher:
Release Date : 2003

Pci Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Precast concrete categories.

Creep And Shrinkage In Concrete Structures

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Author : Z. P. Bažant
language : en
Publisher: John Wiley & Sons
Release Date : 1982

Creep And Shrinkage In Concrete Structures written by Z. P. Bažant and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Technology & Engineering categories.

Publications Of The State Of Illinois

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Author : Illinois. Office of Secretary of State
language : en
Publisher:
Release Date : 1980

Publications Of The State Of Illinois written by Illinois. Office of Secretary of State and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Government publications categories.

Work Program And Estimate Of Cost For Highway Planning And Research For Fiscal Year

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Author :
language : en
Publisher:
Release Date : 1980

Work Program And Estimate Of Cost For Highway Planning And Research For Fiscal Year written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Highway planning categories.

Design Of Precast Prestressed Bridge Girders Made Continuous

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Author : R. G. Oesterle
language : en
Publisher: Transportation Research Board National Research
Release Date : 1989

Design Of Precast Prestressed Bridge Girders Made Continuous written by R. G. Oesterle and has been published by Transportation Research Board National Research this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Technology & Engineering categories.

This report documents and presents results of a study to determine time-dependent behavior and relevant design criteria for simple-span precast, prestressed bridge girders made continuous. A questionnaire was used to determine current practice. Creep and shrinkage tests of steam-cured concrete loaded at an early age were made. Computer simulations were used to investigate the effects of time-dependent material behavior and variation in design parameters on the effective continuity for live load plus impact. The findings suggest that positive moment connections in the diaphragms at the piers are not required and provide no structural advantages. The findings also suggest that effective continuity for live load plus impact can vary from 0 to 100% dependent on the design parameters and timing of construction. Computer analyses were also used to determine an upper limit for the amount of negative moment reinforcement over the supports to insure full moment redistribution and attainment of maximum bridge strength. New computer programs were developed for simplified analysis to determine time-dependent effects and service moments. Recommendations for design procedures were presented and design examples given.

Hris Abstracts

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Author : National Research Council (U.S.). Highway Research Information Service
language : en
Publisher:
Release Date : 1981

Hris Abstracts written by National Research Council (U.S.). Highway Research Information Service and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Highway engineering categories.