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

LIU Gan-bin; YAO Hai-lin; YANG Yang; LU Zheng

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

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- coupling thermo-hydro-mechanical dynamic response of a porous elastic medium
- Vol. 28, Issue 9, (2007)
- 作者机构：
  
  1. 宁波大学建筑工程与环境学院,宁波,315211
  2. 中国科学院武汉岩土力学研究所,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU471+.2
- Online First：15 October 2013，
  
  Published：2007
- 稿件说明：
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LIU Gan-bin, YAO Hai-lin, YANG Yang, et al. coupling thermo-hydro-mechanical dynamic response of a porous elastic medium[J]. 2007, 28(9).
DOI：

LIU Gan-bin, YAO Hai-lin, YANG Yang, et al. coupling thermo-hydro-mechanical dynamic response of a porous elastic medium[J]. 2007, 28(9). DOI：

摘要

通过对Biot波动方程的修正，得到考虑热-水-力学耦合效应的多孔弹性介质动力响应的控制方程，研究了简谐均布荷载作用下地基土体的热-水-力耦合动力响应问题。利用Fourier变换技术，得到地基中的应力、位移和孔隙水压力积分形式的解答。利用Fourier逆变换得到数值结果，分析了热-水-力学耦合条件下地基土体中温度增量、应力、位移和孔隙水压力响应的分布，并讨论了热源输入的影响

结果表明：应力、位移和孔隙水压力随的增大而有一定的减小。

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 .

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Related Author

LU Zheng

YAO Hai-lin

LIU Gan-bin

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Related Institution

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