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Flexural behavior of continuous concrete beams prestressed with bonded and unbonded tendons
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Title
Flexural behavior of continuous concrete beams prestressed with bonded and unbonded tendons
Name
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Pooley
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Emily E.
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1996-
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Emily E. Pooley
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author
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Hani
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Hani Nassif
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Advisory Committee
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chair
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Abu-Obeidah
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Adi
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Adi Abu-Obeidah
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Advisory Committee
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internal member
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Fahrenfeld
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Nicole
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Nicole Fahrenfeld
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Advisory Committee
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Rutgers University
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School of Graduate Studies
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theses
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2020
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2020-01
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2020
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English
Abstract
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The use of unbonded tendons in prestressed beams is becoming an increasing popular option for the repair and strengthening of bridges, high-rise buildings, and foundation systems. However, there has been an increase in load demands on these structures as well as the need for repair to damaged sections throughout the lifespan of the structure. Thus, the need for a new, more effective way to design these prestressed members to meet ever growing demand of these structures is evident.
The main objective of this study is to investigate the performance of continuous beams prestressed with both bonded and unbonded tendons, known as hybrid beams. This investigation included the casting and testing of three continuous high strength concrete (HSC) beams prestressed with hybrid tendons. The results of this study include number of cracks, load-deflection behavior and load-strain behavior as well as an analysis of available hybrid code equations in their ability to predict the behavior of such hybrid beams. Based on the analysis of the experimental results, it is shown that the current code equations do not accurately predict the stress at ultimate and there is a need to provide more simplified and accurate equations.
The main objective of this study is to investigate the performance of continuous beams prestressed with both bonded and unbonded tendons, known as hybrid beams. This investigation included the casting and testing of three continuous high strength concrete (HSC) beams prestressed with hybrid tendons. The results of this study include number of cracks, load-deflection behavior and load-strain behavior as well as an analysis of available hybrid code equations in their ability to predict the behavior of such hybrid beams. Based on the analysis of the experimental results, it is shown that the current code equations do not accurately predict the stress at ultimate and there is a need to provide more simplified and accurate equations.
Subject
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Topic
Civil and Environmental Engineering
Subject
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Topic
Prestressed concrete beams -- Testing
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Rutgers University Electronic Theses and Dissertations
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1 online resource (x, 53 pages) : illustrations
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M.S.
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Includes bibliographical references
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School of Graduate Studies Electronic Theses and Dissertations
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rucore10001600001
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doi:10.7282/t3-d6nx-p891
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ETD graduate
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Rights
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The author owns the copyright to this work.
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Pooley
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Emily
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Permission or license
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2020-01-13 14:46:07
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Emily Pooley
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Rutgers University. School of Graduate Studies
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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2020-01-31
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2022-01-30
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Access to this PDF has been restricted at the author's request. It will be publicly available after January 30th, 2022.
Copyright
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Copyright protected
Availability
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Open
Reason
Permission or license
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