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    Double-Beam Model to Analyze the Performance of a Pavement Structure on Geocell-Reinforced Embankment

    Source: Journal of Engineering Mechanics:;2018:;Volume ( 144 ):;issue: 008
    Author:
    Zhang Ling;Ou Qiang;Zhao Minghua
    DOI: 10.1061/(ASCE)EM.1943-7889.0001453
    Publisher: American Society of Civil Engineers
    Abstract: In the present study, an attempt has been made to establish and analyze a model of a composite working system combining an upper pavement structure and a geocell-reinforced embankment. In the model, the geocell-reinforced layer, carrying the self-weight of embankment fill and the distributed loads caused by vehicle loads, has been assumed to have finite bending stiffness and substantial interface resistance on both its top and bottom sides. In addition, the pavement structure and the geocell-reinforced layer have been respectively idealized as the upper and the lower Euler–Bernoulli beams supported by a series of discrete linear springs with different stiffness in both vertical and horizontal directions. Governing differential equations for the flexural response of the system have been derived and solved by a decoupled iteration method. Analytical solutions for each iteration step, in closed form, have been obtained with appropriate boundary conditions. A parametric study has been undertaken to investigate the factors that influence the behavior of the upper pavement structure and the geocell-reinforced layer using the proposed solutions.
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      Double-Beam Model to Analyze the Performance of a Pavement Structure on Geocell-Reinforced Embankment

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4249943
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    contributor authorZhang Ling;Ou Qiang;Zhao Minghua
    date accessioned2019-02-26T07:52:06Z
    date available2019-02-26T07:52:06Z
    date issued2018
    identifier other%28ASCE%29EM.1943-7889.0001453.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4249943
    description abstractIn the present study, an attempt has been made to establish and analyze a model of a composite working system combining an upper pavement structure and a geocell-reinforced embankment. In the model, the geocell-reinforced layer, carrying the self-weight of embankment fill and the distributed loads caused by vehicle loads, has been assumed to have finite bending stiffness and substantial interface resistance on both its top and bottom sides. In addition, the pavement structure and the geocell-reinforced layer have been respectively idealized as the upper and the lower Euler–Bernoulli beams supported by a series of discrete linear springs with different stiffness in both vertical and horizontal directions. Governing differential equations for the flexural response of the system have been derived and solved by a decoupled iteration method. Analytical solutions for each iteration step, in closed form, have been obtained with appropriate boundary conditions. A parametric study has been undertaken to investigate the factors that influence the behavior of the upper pavement structure and the geocell-reinforced layer using the proposed solutions.
    publisherAmerican Society of Civil Engineers
    titleDouble-Beam Model to Analyze the Performance of a Pavement Structure on Geocell-Reinforced Embankment
    typeJournal Paper
    journal volume144
    journal issue8
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)EM.1943-7889.0001453
    page6018002
    treeJournal of Engineering Mechanics:;2018:;Volume ( 144 ):;issue: 008
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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