Abstract：Based on the Biot consolidation equations，the governing differential equations of the nonlinear coupled process of seepage field and stress field are given by introducing the function of permeability tensor with respect to stress tensor. Finite element method is therefore given based on those equations. Precise integration algorithm is applied to time discretion in finite element computation to decouple the coupled process. With the precise integration algorithm as time discrete method，the convergent speed，the computational precision and the computational stability are improved comparing with the time differencing methods. The effectiveness and computational efficiency of the algorithm are proved by project practice.
