Design of prefabricated section for grouting gallery;

The TangKou hydropower station is based on the chap ash-rock,which develops much fault and cranny,the integrality of rock body is poor and the penetrate ability is strong,the influence of the construct quantity and long time run,many central leakage appear in the grouting gallery and drain gallery of the dam.

The application of pre-stress and duct grouting technology in roof truss construction;

The making up of high-performance cement paste in post-tensioned prestressed duct grouting is preseated.

contract and unsaturation of the grouting materials in the duct grouting of post-tensile.

Application of Tunnel Perspective Technology in Mine;

Radon Pollution in Tunnel and Protection from the Radiation.;

Investigation on Formaldehyde Pollution Caused by Furniture in Tunnel;

Finite element method for single pit soil water movement simulation under water storage pit irrigation;

Soil moisture movement under varying-head infiltration is a basic theoretical problem of water storage pit irrigation.

According to two severe problems of drought and soil erosion in Northern China, water storage pit irrigation method was put forward.

Giant Face layered thick coal seam at the end of fly ash pulping, grouting Fire Prevention and Control Practice;

Study of the detection of the grouting quality by ultrasonic waves;

Restoration of lower stack lining by grouting on No.1 BF of the Second Ironmaking Plant at Tangshan Iron & Steel Co.;