Numerical simulation of grouting in space fracture network of rock mass;

3-D seepage flow model for discrete fracture network and verification experiment;

Analysis of nonlinear seepage through fracture network in rock mass;

Based on the discrete numerical model of seepage flow of initial fissure network, a new numerical analysis method, rigid-body element method, is used to carry out the coupling analysis of seepage flow field of fissure network and the stress field in fissured rock masses.

Based on the principle of isotope tracer in single well, and combing with well-theory of seepage flow, a mathematic model of two-dimension fissure network is proposed in the paper.

Analysis of joint network simulation method and REV scale;

Using experimental results of little scale,associated with joint networks,then u- tilizing sophisticated static equivalence of anisotropic deformation parameters in a large scale become an effective met.

Numerical analysis of the steady seepage field in fractured network rock mass considering the effect of temperature;

Numerical analyzing method of non continuum seepage in fractured network in combining with the method of engineering geology survey is used to analyze the seepage in the network of fractured rock mass around the Shibianyu water supply holes.

According to the experiment studies of saturated-unsaturated flow in a single fracture, the ex-periment relatlonships of saturation to pressure head and saturated-unsaturated hydraulic conductivity to pres-sure head of fractured rock masses are established Subsequently, the saturated-unsaturated seepage flow mod-el of 3-dimensional fractured network under rainfall is built.