Analysis of Transient Response of Saturated Layered Half—

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Analysis of Transient Response of Saturated Layered Half——space Soil

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[1]SHI Gang,GAO Guangyun,GUO Yuancheng.Analysis of Transient Response of Saturated Layered Half——space Soil[J].Journal of Zhengzhou University (Engineering Science),2010,31(02):55-.

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 31卷 Number of periods: 2010 No.02 Page number: 55- Column: Public date: 2010-02-02

Title:: Analysis of Transient Response of Saturated Layered Half——space Soil

Author(s):: SHI Gang; GAO Guangyun; GUO Yuancheng; 1．School of Civil Engineering。Zhengzhou University，Zhengzhou 450001。China；2．Key Laboratory of Geotechnical and Un—derground Engineering of Ministry of Education，Tongji University，Shanghai 200092，China

Keywords:: ayered saturated half—space; transient response; thin layered method

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Abstract:: The transient response of saturated layered ground subjected to concentrated loads is investigated．By using Laplace transform，Fourier series expansion and Hankel transform，the Biot’8 dynamic equations ineach layer are reduced into a series of ordinary differential equations，which can be solved by thin layeredmethod(TLM)．The general solutions for displacement and pore pressure in Laplace domain are derived byanalytical inversion of Hankel transform，and the solutions in time domain are obtained by numerical inverisonof Laplace transform．Finally，some examples are given to validate the method．

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