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The effect of EPS geofoam backfill on the seismic performance of integral abutment bridges

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TitleInfo
Title
The effect of EPS geofoam backfill on the seismic performance of integral abutment bridges
Name (type = personal)
NamePart (type = family)
Ooms
NamePart (type = given)
Megan
NamePart (type = date)
1986-
DisplayForm
Megan Ooms
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
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Nassif
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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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Husam
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Husam Najm
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Advisory Committee
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internal member
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WANG
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HAO
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HAO WANG
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Advisory Committee
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internal member
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Rutgers University
Role
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degree grantor
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NamePart
Graduate School - New Brunswick
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school
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Text
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theses
OriginInfo
DateCreated (qualifier = exact)
2016
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2016-05
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2016
Place
PlaceTerm (type = code)
xx
Language
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eng
Abstract (type = abstract)
This study was performed to investigate the seismic response of Integral Abutment Bridges (IABs) with Expanded Polystyrene (EPS) geofoam backfill in comparison to IABs with compacted backfill as well as typical jointed bridges. Three-dimensional Finite Element (FE) models of an existing bridge were developed and analyzed using the 1000-year seismic event according to the American Association of State Highway Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD). Results from existing information were used to determine soil characteristics and site class at the bridge location. Frame elements were utilized to model the piles, girders and diaphragms. Abutments and deck sections were modeled using shell elements to capture the effect of the connection to the girders. Nonlinear soil springs were used to model soil elements according to the Federal Highway Administration Seismic Retrofitting manual. The study shows that the use of EPS has major effects on the seismic performance of IABs. These effects include increasing the fundamental period of the bridge and reducing the forces in the superstructure as well as the integral abutments. This combination of EPS geofoam backfill and integral abutments provides the benefits of reduced number of joints and bearings, which is highly desirable as it provides reduced maintenance and inspection costs as well as reduced repair costs. It also provides a potential for reduced initial construction costs over integral abutments with compacted backfill as the design forces in the abutments are lower; therefore smaller sections and less reinforcement would be required, although the material and installation costs of EPS geofoam can offset that cost savings.
Subject (authority = RUETD)
Topic
Civil and Environmental Engineering
RelatedItem (type = host)
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Title
Rutgers University Electronic Theses and Dissertations
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ETD
Identifier
ETD_7291
PhysicalDescription
Form (authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (x, 135 p. : ill.)
Note (type = degree)
M.S.
Note (type = bibliography)
Includes bibliographical references
Subject (authority = ETD-LCSH)
Topic
Bridges--Abutments
Subject (authority = ETD-LCSH)
Topic
Polystyrene
Note (type = statement of responsibility)
by Megan Ooms
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/T3FT8P6D
Genre (authority = ExL-Esploro)
ETD graduate
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Rights

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The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Ooms
GivenName
Megan
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2016-04-17 21:13:37
AssociatedEntity
Name
Megan Ooms
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
AssociatedObject
Type
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.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical

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2016-04-25T10:43:26
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2016-04-25T10:43:26
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