Research on nonlinear mechanics design method of bolt-net-anchor coupling support for deep soft rock tunnel;

Study on the Optimal Layout of Deep Drift Under High-stress Conditions;

Deformation characteristic and control method of roadway in high stressed soft rocks in deep;

Discussion on depth transportation scheme of Baiyunebo east main stope;

The Dayingezhuang gold deposit in the Jiaodong area,Shan dong Province,is a hidden(to a burial depth of more than 250 m from the surface) ,mesothermal,alteration-type gold deposit in a fractured zone.

Rockburst is a nonlinear dynamical phenomenon when large amounts of energies release along free surface during excavation within underground rock masses at great depth.

According to the characteristics of high stress roadways with great depth or affected strongly by mining activity,the high pre-stress and high strength bolting theory is proposed in this paper,based on the analysis of the deficiency of current bolting theories and techniques.

Deformation and support study of deep roadway of Jinchuan No.2 mine area;

High pretensioned stress and intensive bolting system and its application in deep roadways;

Numerical analysis on support structure of rock around deep roadway;

Hyperbolic functions method for analysis of rock mass displacement due to deep mining;

Development and pospect of geophysical technology in deep mining;

Influence of the key strata in deep mining to mining subsidence;