深基坑开挖过程中渗流-应力耦合数值模拟

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Abstract According to deep foundation practice，3D mathematic model is established，which consideres the effects of excavation process and external artificial perturbation. The deformation equations are based on small deformation hypothesis，elastoplastic behavior and Terzaghi effective stress principle. With support measures considered in numerical modeling，the variation rules of seepage，stress and displacement under precipitation of wells are studied. The effect of seepage on the stability of foundation pit excavation is analyzed.

Key words： seepage mechanics deep foundation pit coupling stability

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https://rockmech.whrsm.ac.cn/EN/Y2004/V23/IS2/4975