›› 2007, Vol. 28 ›› Issue (9): 1784-1788.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

coupling thermo-hydro-mechanical dynamic response of a porous elastic medium

LIU Gan-bin1,2, YAO Hai-lin2, YANG Yang2, LU Zheng2   

  1. 1. Faculty of Civil, Construction and Environmental Engineering, Ningbo University, Ningbo 315211, China; 2.Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2006-01-19 Online:2007-09-10 Published:2013-10-15

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Abstract: The dynamic response of porous elastic medium due to a harmonic load, is investigated theoretically by developing the coupling thermo-hydro-mechanical governing equations. The material of foundation, obeying Biot’s dynamic poroelastic theory, is idealized as a uniform, fully saturated poroelastic half-space stratum. The analytical solutions of stress, displacement and pore pressure are derived using the Fourier transform and Fourier inverse transform. Numerical results are obtained and used to analyze the distribution of temperature increment, stress, displacement and pore pressure under the condition of thermo-hydro-mechanical coupling. Furthermore, the influence of heat source acted on the surface of foundation on dynamic response is discussed. The stress, displacement and pore pressure is slightly decreased with the increase of temperature increment .

Key words: porous elastic, coupling thermo-hydro-mechanical, dynamic response, Fourier transform

CLC Number: 

  • TU 471.2
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