Evaluation on the safety of natural gas pipeline impacted by dangerous rock fall;

Reinforcing construction technology of altitude steep wall dangerous rock;

Stability analysis and evaluation of the deformed dangerous rock collapsing;

Classification and identify of perilous rock in the area of the Three Gorges Reservoir;

A massive development mechanism and countermeasures for perilous rocks in the Three Gorges Reservoir area of P.R.China:The example of the Taibaiyan cliff at Wanzhou;

Revised method of water pressure in control fissure of perilous rockmass;

Research on numerical simulation of damage-fracture process of control fissure in unstable rock;

Researches on calculation method of support and support-anchorage union to unstable rock;

Research on calculation method of volley-unstable rock retaining wall;

Review on current situation to study and trend of dangerous rock mass;

Study on the development machanism of the dangerous rock mass in the sandstone and shale cliff;

Analysis on formation and development mechanism and discussion on prevention measures for Zenziyan dangerous rock mass in Chongqing;

Measure and analysis of rock falling scene for Baiyan Dangrous rock-mass over Maoping Landslide,Qinjiang;

Function and effect of monitering-forecasting system of control works in Lianziya dangerous rock mass;

Study on Risk Assessment and Prevention Countermeasures of Dangerous Rock Mass;

Looking the model parameter of AR(1) model as the status vector,using Kalman filter method to analysis the deformation of dangerous rock mass.