The analytical solution for the ultimate bearing capacity of a circular shallow foundation is studied. The characteristics of existing assumptions, the calculation method, and the yield criterion of the calculation method for the ultimate bearing capacity of a shallow circular foundation are examined. With the assumption that the global shearing deformation surface of the foundation obeys the sliding surface of Prandtl-Reissner’s classic theory, the destruction soil under the foundation is an indeformable rigid-plastic body, and the failure surface obeys the Mohr-Coulomb yield criterion. Based on the static equilibrium condition of the rigid-plastic body and considering the frictional resistance part σ tan φ of the failure surface, the theoretical solution for the ultimate bearing capacity of a shallow circular foundation is derived and compared with those of Vesic’s semi-empirical equation and other existing analytic equations. Comparison results show that the bearing capacity coefficients N c , and N q can be increased if the frictional resistance part σ tan φ of the failure surface is considered, but the variation of bearing capacity coefficient with the internal friction angle of soil are different. Furthermore, the presented theoretical solution, which is a revised calculation method for the ultimate bearing capacity of a shallow circular foundation, is similar to those of Vesic’s semi-empirical equation and other analytic equations.


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    Titel :

    Modifying the Formula of the Ultimate Bearing Capacity of a Shallow Circular Foundation


    Beteiligte:
    Hu, Zhi-ping (Autor:in) / Wang, Rui (Autor:in) / Xia, Xiang-bo (Autor:in) / Wang, Xu (Autor:in) / Chen, Yue (Autor:in)


    Erscheinungsdatum :

    16.02.2015


    Format / Umfang :

    72015-01-01 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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