Research on Drainage System with Underground Pipe Lines of Xixiayuan Reservoir Stilling Pool

This paper researches three techniques of drainage system with underground pipe lines of Xixiayuan reregulating reservoir stilling pool. The floodgate anti-seepage stability is analyzed and the horizontal and vertical anti-seepage and watertight layout form are fixed. The volumes of pump-out and displacement are calculated and the pipe diameter and equipment of pump-out and displacement are selected. The geological conditions is analyzed and the drainage pipes and sump are set reasonably.