结果表明，主应力方向的连续旋转导致了钙质砂中孔隙水压力的增长。
It was showed that the continuous rotation of principal stress induced the development of pore water pressure in carbonate sand.
当前裂隙岩体地下水渗流数值模型主要有三种：等效连续介质模型、离散裂隙网络模型和裂隙-孔隙双重介质模型。
Mathematical models of seepage in fractured rock can be classified into: continuum seepage model, discrete fracture network seepage model and continuum-discrete coupling seepage model.
以渗透系数、孔隙率和应力的关系作为桥梁，当渗流场为非稳定渗流时，建立等效连续岩体渗流的耦合模型。
By the linkage between the seepage coefficient, porosity and stress, the hybrid analysis model for coupled seepage and stress field in rock mass of equivalent continuum is established.
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