Dynamic Responses of Saturated Porous Foundations Under Coupled Thermo-Hydro-Mechanical Effects

XIONG Chunbao; GUO Ying; DIAO Yu

doi:10.21656/1000-0887.380140

Volume 39 Issue 6

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XIONG Chunbao, GUO Ying, DIAO Yu. Dynamic Responses of Saturated Porous Foundations Under Coupled Thermo-Hydro-Mechanical Effects[J]. Applied Mathematics and Mechanics, 2018, 39(6): 689-699. doi: 10.21656/1000-0887.380140

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Dynamic Responses of Saturated Porous Foundations Under Coupled Thermo-Hydro-Mechanical Effects

doi: 10.21656/1000-0887.380140

School of Civil Engineering, Tianjin University, Tianjin 300072, P.R.China

Funds: The National Key Research and Development Project of China（2016YFC0802008）

Received Date: 2017-05-15
Rev Recd Date: 2017-08-08
Publish Date: 2018-06-15

Abstract

Abstract

Based on Lord and Shulman’s generalized thermoelastic theory with the relaxation time, the coupled thermo-hydro-mechanical problem for a poroelastic half-space foundation medium subjected to conoidal waves on its surface was investigated. Through modification of Biot’s theory of dynamic poroelasticity, the foundation medium was idealized as a uniform, fully saturated and poroelastic half-space body. The governing equations of the thermo-hydro-mechanical model were established. The analytical solutions of non-dimensional vertical displacement, excess pore water pressure, vertical stress and temperature were derived with the normal mode analysis method. In addition, the influences of different permeability coefficients and different frequencies on the non-dimensional vertical displacement, excess pore water pressure, vertical stress and temperature, were discussed.
- generalized thermoelastic theory,
- thermal relaxation time,
- coupled thermo-hydro-mechanical dynamics,
- poroelastic medium,
- normal mode analysis

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References(29)

References

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