Practice of Mud Purification and Recycling in Cut-off Wall Construction for Guanzhou Hydropower Station

Abstract:

Guanzhou hydropower station is located in remote Danba County, because there is no qualified clay, which has to be replaced by bentonite with high project cost. As it is very difficult for mud purification and recycling in cut-off wall construction by use of percussion drill, the study is specially made and good effects are achieved with mud cost saving.