›› 2010, Vol. 31 ›› Issue (3): 918-924.

• Geotechnical Engineering • Previous Articles     Next Articles

Thermo-hydro-elastodynamic response of spherical hollow chamber under explosive loading

LIU Gan-bin1，ZHENG Rong-yue1，LU Zheng2   

  1. 1. Faculty of Architectural Civil Engineering and Environment, Ningbo University, Ningbo 315211, China; 2. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2008-10-22 Online:2010-03-10 Published:2010-03-31

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Abstract:

Based on a model of coupling thermo-hydro-mechanical dynamic response for a saturated poroelastic medium presented by the authors, the dynamic response of a spherical hollow chamber when subjected to a time dependent thermal/mechanical shock on the inner surface is investigated. By using Laplace transform method, the governing equation is decoupled; and the integral solutions of temperature, displacement, pore pressure and stress are derived. The numerical results are obtained by using the inverse Laplace transform method; and the results are used to analyze the influences of the coupling parameters of thermo-hydro-mechanical dynamic response. At last, the solutions are compared with those of the thermoelastic medium; and the validity of the results of the thermo-hydro-mechanical dynamic response with a spherical hollow chamber in the saturated poroelastic medium is ascertained.

Key words: spherical hollow chamber, explosive loading, coupling thermo-hydro-mechanical, dynamic response

CLC Number: 

  • O 347.2
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