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Solutions for cylindrical cavity in saturated thermoporoelastic medium

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Abstract

Based on the thermodynamics of irreversible processes, the mass conservation equation and heat energy balance equation are established. The governing equations of thermal consolidation for homogeneous isotropic materials are presented, accounting for the coupling effects of the temperature, stress and displacement fields. The case of a saturated medium with a long cylindrical cavity subjected to a variable thermal loading and a variable hydrostatic pressure (or a variable radial water flux) with time is considered. The analytical solutions are derived in the Laplace transform space. Then, the time domain solutions are obtained by a numerical inversion scheme. The results of a typical example indicate that thermodynamically coupled effects have considerable influences on thermal responses.

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Authors and Affiliations

  1. School of Civil Engineering, Beijing Jiaotong University, 100044, Beijing, China

    Bing Bai & Tao Li

Authors
  1. Bing Bai
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  2. Tao Li
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Project supported by the National Natural Science Foundation of China (No. 50879003).

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Bai, B., Li, T. Solutions for cylindrical cavity in saturated thermoporoelastic medium. Acta Mech. Solida Sin. 22, 85–94 (2009). https://doi.org/10.1016/S0894-9166(09)60093-8

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  • DOI: https://doi.org/10.1016/S0894-9166(09)60093-8

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