一、前言新疆和静县大山口电站位于开都河中上游峡谷地段的近出口处,是开都河梯级开发的首期工程。整个枢纽由大坝,引水渠道,导流隧洞,压力前池和发电厂房等部分组成。初步设计拟建坝高70m,坝型拟从重力拱坝与重力坝中比选,但倾向于优先考虑前者。电站水库的设计正常高水位1416m,最大库容0.27亿方。电站的总装机容量为8.5 I. Introduction Xinjiang Hejing Dashankou Power Station is located at the exit of the upper reaches of the Kai Du River and is the first phase of the cascade development of the Kai Du River. The entire hub by the dam, diversion channels, diversion tunnels, pressure before the pool and power plants and other components. The initial design of the proposed dam height of 70m, the dam from the gravity dam and gravity dam to choose from, but tend to give priority to the former. The design of power station reservoirs has a normal high water level of 1416m and a maximum capacity of 27 million cubic meters. The total installed capacity of the plant is 8.5