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    General Axisymmetric Active Earth Pressure by Method of Characteristics—Theory and Numerical Formulation

    Source: International Journal of Geomechanics:;2007:;Volume ( 007 ):;issue: 001
    Author:
    Y. M. Cheng
    ,
    Y. Y. Hu
    ,
    W. B. Wei
    DOI: 10.1061/(ASCE)1532-3641(2007)7:1(1)
    Publisher: American Society of Civil Engineers
    Abstract: Active pressure for axisymmetric problem under general conditions is formulated and solved by an iterative finite difference solution of the characteristic equations in the present paper. A general lateral stress coefficient is used instead of the Haar-von Karman hypothesis and numerical modeling has also confirmed that Harr-von Karman hypothesis is a reasonable assumption for the present problem if sufficient wall movement is allowed. The shape of the failure zone and variation of active pressure with depth and wall friction are investigated. Some interesting results on the active pressures arising from the arch action are found. Principle of superposition of the effect of soil weight, surcharge, and cohesive strength is discussed. Finally, the results in the present study are applied to bore pile construction and it is demonstrated that no casing for construction is required under some conditions.
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      General Axisymmetric Active Earth Pressure by Method of Characteristics—Theory and Numerical Formulation

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    http://yetl.yabesh.ir/yetl1/handle/yetl/55084
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    • International Journal of Geomechanics

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    contributor authorY. M. Cheng
    contributor authorY. Y. Hu
    contributor authorW. B. Wei
    date accessioned2017-05-08T21:32:00Z
    date available2017-05-08T21:32:00Z
    date copyrightJanuary 2007
    date issued2007
    identifier other%28asce%291532-3641%282007%297%3A1%281%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/55084
    description abstractActive pressure for axisymmetric problem under general conditions is formulated and solved by an iterative finite difference solution of the characteristic equations in the present paper. A general lateral stress coefficient is used instead of the Haar-von Karman hypothesis and numerical modeling has also confirmed that Harr-von Karman hypothesis is a reasonable assumption for the present problem if sufficient wall movement is allowed. The shape of the failure zone and variation of active pressure with depth and wall friction are investigated. Some interesting results on the active pressures arising from the arch action are found. Principle of superposition of the effect of soil weight, surcharge, and cohesive strength is discussed. Finally, the results in the present study are applied to bore pile construction and it is demonstrated that no casing for construction is required under some conditions.
    publisherAmerican Society of Civil Engineers
    titleGeneral Axisymmetric Active Earth Pressure by Method of Characteristics—Theory and Numerical Formulation
    typeJournal Paper
    journal volume7
    journal issue1
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/(ASCE)1532-3641(2007)7:1(1)
    treeInternational Journal of Geomechanics:;2007:;Volume ( 007 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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