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Analysis of backcalculated layer moduli and joint load transfer efficiency of airfield rigid pavement

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Title
Analysis of backcalculated layer moduli and joint load transfer efficiency of airfield rigid pavement
Name (type = personal)
NamePart (type = family)
Sakulneya
NamePart (type = given)
Apidej
NamePart (type = date)
1991-
DisplayForm
Apidej Sakulneya
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
NamePart (type = family)
WANG
NamePart (type = given)
HAO
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HAO WANG
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Advisory Committee
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RoleTerm (authority = RULIB)
chair
Name (type = personal)
NamePart (type = family)
Moon
NamePart (type = given)
Franklin
DisplayForm
Franklin Moon
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
Ji
NamePart (type = given)
Richard
DisplayForm
Richard Ji
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
RoleTerm (authority = RULIB)
school
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Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (encoding = w3cdtf); (keyDate = yes); (qualifier = exact)
2019
DateOther (encoding = w3cdtf); (qualifier = exact); (type = degree)
2019-10
Language
LanguageTerm (authority = ISO 639-3:2007); (type = text)
English
Abstract (type = abstract)
This study was aimed to analyze the sensitivity of the backcalculation of layer moduli and the joint load transfer efficiency of airfield rigid pavement.
The analyses were designed comprising two main methods. In the first part, the AREA method and the Graphical NUS-BACK solution were primary backcalculation methods. The input condition taken into the backcalculation was a field data of Heavy Weight Deflectometer (HWD) round-up project in the National Airport Pavement Test Facility (NAPT) in Atlantic City, NJ. Initially, the sensitivities of the deflection-based load transfer efficiency (LTE) were evaluated. Subsequently, the backcalculated layer moduli were compared with the lab test data. Those layer moduli were then applied as the input parameters for the overlay design using Federal Aviation Administration Rigid and Flexible Iterative Elastic Layered Design (FAARFIELD) to analyze their influences on the designed overlay thickness. In the second part, Finite Element Analysis Federal Aviation Administration (FEAFAA) was selected as a tool to investigate the stress-based joint load transfer efficiency under various input scenarios including variations in the temperature gradients of slab, landing gear configurations, traffic directions, and slab thicknesses.
The analyzed data from HWD test illustrated several findings. Firstly, the deflection-based LTE was found sensitive to several factors including the assessed position, the amount of load level, test direction, and the adjacent support of the evaluated slab. Secondly, the backcalculated elastic modulus obtained by the AREA method was closely matched to the lab test data whereas the NUS-BACK seemed to be overestimated. The backcalculated modulus of subgrade reaction from both methods was significantly greater than lab test data because they were assumed as a two-layered system in which the property of lower layer represented both the base and the subgrade layers. Thirdly, the overlay thickness calculated by different methods was clearly dissimilar to each other.
Moreover, the FEAFAA results demonstrated certain results. Firstly, the critical stress location for the slab loaded at the corner was more sensitive to different scenarios than those at the edge. Secondly, the combination of temperature gradient and the thickness of the slab predominantly influenced the critical tensile stress and the stress-based LTE of the slab. Thirdly, the value of ratio between the critical stress of 9-slab and the 1-slab pavement system (S9/S1) varied differently to different scenarios. Therefore, the assumption in FAARFIELD that the 25 percent reduction on edge stress accounting for the load transfer may not be suitable under some circumstance.
Subject (authority = RUETD)
Topic
Civil and Environmental Engineering
Subject (authority = local)
Topic
Backcalculation
Subject (authority = LCSH)
Topic
Pavements -- Testing -- Computer simulation
RelatedItem (type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
Identifier
ETD_10126
PhysicalDescription
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application/pdf
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text/xml
Extent
1 online resource (xvi, 126 pages) : illustrations
Note (type = degree)
M.S.
Note (type = bibliography)
Includes bibliographical references
RelatedItem (type = host)
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Title
School of Graduate Studies Electronic Theses and Dissertations
Identifier (type = local)
rucore10001600001
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/t3-41eb-gr89
Genre (authority = ExL-Esploro)
ETD graduate
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RightsDeclaration (ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Sakulneya
GivenName
Apidej
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2019-07-14 21:40:47
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Name
Apidej Sakulneya
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Copyright holder
Affiliation
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.
RightsEvent
Type
Embargo
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2019-10-31
DateTime (encoding = w3cdtf); (qualifier = exact); (point = end)
2020-05-01
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after May 1st, 2020.
Copyright
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Copyright protected
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Status
Open
Reason
Permission or license
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2019-07-14T21:38:36
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