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    Modeling of Pavement Response Using Nonlinear Cross-Anisotropy Approach

    Source: Journal of Transportation Engineering, Part A: Systems:;2006:;Volume ( 132 ):;issue: 006
    Author:
    Jeong-Ho Oh
    ,
    R. L. Lytton
    ,
    E. G. Fernando
    DOI: 10.1061/(ASCE)0733-947X(2006)132:6(458)
    Publisher: American Society of Civil Engineers
    Abstract: The multidepth deflectometer (MDD) is used to estimate flexible pavement response subjected to permitted overweight truck traffic (gross vehicle weight up to 556 kN). This study focuses on using material constitutive models to assess the most accurate and reliable pavement layer behavior. Deflections from MDDs installed on tested pavement section were compared with predicted ones using different material constitutive models to determine the best model. As a result, the best comparisons with the measured MDD deflections were achieved when base and subgrade materials were modeled as nonlinear cross anisotropic. In terms of pavement performance prediction, predicted rutting using a nonlinear cross-anisotropy model was matched reasonably well with measured values by generating a slightly higher compressive vertical strain from each subdivided layer. In addition, the cross-anisotropy characteristic of asphalt concrete material was introduced and applied to predict pavement performance. This results in larger rutting due to vertical strain within the asphaltic concrete layer. Thus, there is a need to take into account nonlinear cross-anisotropy characteristic of pavement materials in assessing pavement damage due to truck loadings.
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      Modeling of Pavement Response Using Nonlinear Cross-Anisotropy Approach

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    http://yetl.yabesh.ir/yetl1/handle/yetl/37883
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    • Journal of Transportation Engineering, Part A: Systems

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    contributor authorJeong-Ho Oh
    contributor authorR. L. Lytton
    contributor authorE. G. Fernando
    date accessioned2017-05-08T21:04:50Z
    date available2017-05-08T21:04:50Z
    date copyrightJune 2006
    date issued2006
    identifier other%28asce%290733-947x%282006%29132%3A6%28458%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/37883
    description abstractThe multidepth deflectometer (MDD) is used to estimate flexible pavement response subjected to permitted overweight truck traffic (gross vehicle weight up to 556 kN). This study focuses on using material constitutive models to assess the most accurate and reliable pavement layer behavior. Deflections from MDDs installed on tested pavement section were compared with predicted ones using different material constitutive models to determine the best model. As a result, the best comparisons with the measured MDD deflections were achieved when base and subgrade materials were modeled as nonlinear cross anisotropic. In terms of pavement performance prediction, predicted rutting using a nonlinear cross-anisotropy model was matched reasonably well with measured values by generating a slightly higher compressive vertical strain from each subdivided layer. In addition, the cross-anisotropy characteristic of asphalt concrete material was introduced and applied to predict pavement performance. This results in larger rutting due to vertical strain within the asphaltic concrete layer. Thus, there is a need to take into account nonlinear cross-anisotropy characteristic of pavement materials in assessing pavement damage due to truck loadings.
    publisherAmerican Society of Civil Engineers
    titleModeling of Pavement Response Using Nonlinear Cross-Anisotropy Approach
    typeJournal Paper
    journal volume132
    journal issue6
    journal titleJournal of Transportation Engineering, Part A: Systems
    identifier doi10.1061/(ASCE)0733-947X(2006)132:6(458)
    treeJournal of Transportation Engineering, Part A: Systems:;2006:;Volume ( 132 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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