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Flexural behavior of continuous concrete beams prestressed with bonded and unbonded tendons

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TitleInfo
Title
Flexural behavior of continuous concrete beams prestressed with bonded and unbonded tendons
Name (type = personal)
NamePart (type = family)
Abu-Saibia
NamePart (type = given)
Abdulemam K.
NamePart (type = date)
1982-
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Abdulemam K. Abu-Saibia
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
NamePart (type = family)
Nassif
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Hani
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Hani Nassif
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Advisory Committee
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chair
Name (type = personal)
NamePart (type = family)
Najm
NamePart (type = given)
Husam
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Husam Najm
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Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
WANG
NamePart (type = given)
HAO
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HAO WANG
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
Tsakalakos
NamePart (type = given)
Thomas
DisplayForm
Thomas Tsakalakos
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
outside member
Name (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (type = corporate)
NamePart
School of Graduate Studies
Role
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school
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Text
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theses
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2018-10
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2018
DateCreated (encoding = w3cdtf); (qualifier = exact)
2018
Language
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eng
Abstract (type = abstract)
Post-tensioning techniques have become very popular and a primary method in long spans continuous bridges and other structures due to their excellent performance in controlling cracking and excessive deflection. Moreover, the use of continuous prestressed concrete beams leads to shallower cross-sections, requires less maintenance cost, and enhances the durability of concrete in the negative moment region. Since using post-tensioned unbonded tendon requires particular analysis methods to predict the stress in the unbonded tendon because of the bond lack between the tendon and the adjacent concrete, thus this research presents an analytical approach to estimate the stress in the tendon and provide full-range of load versus deformation at different location of the span length at various load levels. The model used a trussed-beam system in additional to moment and force equilibrium equations to find the unknowns which include the stress in the unbonded tendon, deflection, and neutral axis depth. The analytical part included analyzing and estimating the stress in the unbonded tendon for beams subjected to a third-point and single-point load.
The proposed approach was validated with results from the performed beam tests in addition to test data in the literature. The experimental part included 20-ft long continuous High Strength Concrete (HSC) beams post-tensioned internally with bonded and unbonded tendons. The experimental approach included casting, instrumenting, and load testing of 8 continuous span beams at various levels of prestressing and combination of tendons. Various design parameters such as the area of non-prestressed steel in tension at the maximum positive and negative moment locations and effective prestress in the bonded, and unbonded tendons are considered.
Both models show a good correlation between predicted and experimental results. Furthermore, the effect of different design parameters on the flexural response was investigated. This study demonstrates that some design parameters have a significant influence on the results while the impact of other variables can be ignored.
Subject (authority = RUETD)
Topic
Civil and Environmental Engineering
Subject (authority = LCSH)
Topic
Structural engineering
Subject (authority = LCSH)
Topic
Concrete construction
RelatedItem (type = host)
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Title
Rutgers University Electronic Theses and Dissertations
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ETD
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Title
School of Graduate Studies Electronic Theses and Dissertations
Identifier (type = local)
rucore10001600001
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ETD_9177
Identifier (type = doi)
doi:10.7282/T3P272QW
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electronic resource
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application/pdf
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text/xml
Extent
1 online resource (xx, 176 pages : illustrations)
Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references
Location
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NjNbRU
Genre (authority = ExL-Esploro)
ETD doctoral
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Rights

RightsDeclaration (ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Abu-Saibia
GivenName
Abdulemam K.
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2018-09-05 14:54:44
AssociatedEntity
Name
Abdulemam Abu-SAibia
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
AssociatedObject
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License
Name
Author Agreement License
Detail
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.
RightsEvent
Type
Embargo
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2018-10-31
DateTime (encoding = w3cdtf); (qualifier = exact); (point = end)
2020-10-30
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 30th, 2020.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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2018-09-05T14:41:19
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