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    Determination of Passive Earth Pressure Coefficients for a Sloping Cohesive Backfill under Uniform Surcharge Loading

    Source: International Journal of Geomechanics:;2021:;Volume ( 021 ):;issue: 006::page 04021079-1
    Author:
    Shiyi Liu
    ,
    Ming Li
    DOI: 10.1061/(ASCE)GM.1943-5622.0002034
    Publisher: ASCE
    Abstract: Compared to the Rankine and Coulomb passive earth pressure theories, the logarithmic spiral theory considers curved failure surfaces, which is its greatest advantage. To improve the logarithmic spiral theory further, a new numerical method coupled with the Rankine and Coulomb theories was proposed and applied to determine the passive earth pressure coefficient of a sloping cohesive backfill under uniform surcharge loading. The method could yield either convex or concave failure surfaces, and the shape of the concave failure surface was assumed to be a logarithmic spiral. The Rankine and Coulomb theories were employed to determine the failure surface shape and distinguish convex and concave failure surfaces, respectively. Furthermore, approximate passive earth pressure coefficient equations for coefficients Kpγ, Kpq, and Kpc were proposed that consider the coupling effect of the soil weight, vertical surcharge loading, and cohesion. The predictions with the proposed method were compared to those reported by other authors.
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      Determination of Passive Earth Pressure Coefficients for a Sloping Cohesive Backfill under Uniform Surcharge Loading

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4271378
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    • International Journal of Geomechanics

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    contributor authorShiyi Liu
    contributor authorMing Li
    date accessioned2022-02-01T00:24:06Z
    date available2022-02-01T00:24:06Z
    date issued6/1/2021
    identifier other%28ASCE%29GM.1943-5622.0002034.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4271378
    description abstractCompared to the Rankine and Coulomb passive earth pressure theories, the logarithmic spiral theory considers curved failure surfaces, which is its greatest advantage. To improve the logarithmic spiral theory further, a new numerical method coupled with the Rankine and Coulomb theories was proposed and applied to determine the passive earth pressure coefficient of a sloping cohesive backfill under uniform surcharge loading. The method could yield either convex or concave failure surfaces, and the shape of the concave failure surface was assumed to be a logarithmic spiral. The Rankine and Coulomb theories were employed to determine the failure surface shape and distinguish convex and concave failure surfaces, respectively. Furthermore, approximate passive earth pressure coefficient equations for coefficients Kpγ, Kpq, and Kpc were proposed that consider the coupling effect of the soil weight, vertical surcharge loading, and cohesion. The predictions with the proposed method were compared to those reported by other authors.
    publisherASCE
    titleDetermination of Passive Earth Pressure Coefficients for a Sloping Cohesive Backfill under Uniform Surcharge Loading
    typeJournal Paper
    journal volume21
    journal issue6
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/(ASCE)GM.1943-5622.0002034
    journal fristpage04021079-1
    journal lastpage04021079-13
    page13
    treeInternational Journal of Geomechanics:;2021:;Volume ( 021 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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