Based on the double effective stress theory and Geomechanics, this paper has built a horizontal crustal stress calculation model.

以多孔介质双重有效应力理论为基础，结合地质力学知识，建立了水平地应力的计算模型。

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The example shows that quite reasonable calculation results of humidity field and shrinkage stress of interface can be obtained by the model.

算例结果表明，应用该模型可以获得较为准确合理的接触面湿度场及干缩应力计算结果。

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Then, the complex integral calculation problem in the reliability model of stress and strength interference was simplified by using the Monte Carlo Simulation Method.

其次，采用应力与强度干涉模型和蒙特卡罗模拟法，解决了可靠度计算公式中复杂积分的计算问题。

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