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首页> 外文会议>IUYAM Symposium on Theoretical and Numerical Methods in Continuum Mechanics of Porous Materials, Sep 5-10, 1999, Stuttgart, Germany >A Thermomechanical Model for Partially Saturated Expansive Clay
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A Thermomechanical Model for Partially Saturated Expansive Clay

机译：部分饱和膨胀黏土的热力学模型

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摘要

A thermodynamically consistent model for elastic behaviour of swelling clay is presented here. It is based on general Clausius-Duhem inequality for under-saturated porous media. In the state equations, decomposition of strain - as in moisture swelling method - will lead to inconsistencies with observed behaviour. Therefore, decomposition of stress into deformation stress, hydraulic stress and swelling stress is used. Also, the conduction equations for heat flow and moisture flow are presented. They are based on theoretical conduction equations for under-saturated porous media, taking swelling of material into account.
机译：这里介绍了膨胀黏土弹性行为的热力学一致模型。它基于欠饱和多孔介质的一般Clausius-Duhem不等式。在状态方程中，如水分膨胀法那样，应变的分解将导致与观察到的行为不一致。因此，使用将应力分解为变形应力，水力应力和膨胀应力。此外，给出了热流和水分流的传导方程。它们基于欠饱和多孔介质的理论传导方程，并考虑了材料膨胀。

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