APPLICATION OF GJMZ METHOD TO PREFERENCE OF ORIENTATION FOR GROUTING AND DRAINAGE IN THE HOUHE RESERVOIR

The Houhe Reservoir is a water project compensating for housing immigrants from the Xiaolangdi Hydro-junction project in Yuanqu county. Fault structure and weathering unload, caused leakage at the dam basement and shoulders of both banks. A GJMZ method is used to calculate and prefer the orientation of inclined boreholes for grouting and drainage after analyzing the data. The result provides a scientific basis for design department.