湖南镇水电站拦河坝为混凝土梯形坝,正常挡水位230米,相应库容15.82亿米~3,最大坝高129米。8、9、10、11号坝段内设置四个泄水深孔,在水库最高水位时,可以下泄流量1,380米~3/秒。深孔型式为坝内深式半管道型,全长78.43米。前部为压力短管,长19.6米,压力短管末端设弧形工作闸门,门后断面扩大成为明渠流,设计水头为78米。压力段进 The dam of Hunan Hydropower Station is a concrete trapezoidal dam, with a normal retaining level of 230 meters and a corresponding storage capacity of 1.582 billion meters ~ 3 and a maximum dam height of 129 meters. There are four drainage deep holes in sections 8, 9, 10 and 11, which can discharge 1,380 m ~ 3 / s at the highest water level in the reservoir. Deep hole type for the dam deep and semi-pipe type, a total length of 78.43 meters. The front of the pressure of short tube, 19.6 meters long, the end of the pressure pipe set arc work gate, the door after the expansion of the open channel flow, the design head of 78 meters. Pressure into the paragraph