工程简介长河坝水电站位于四川省甘孜藏族自治州康定县境内大渡河上游,为大渡河干流水电梯级开发的第10级,拦河坝坝址位于甘孜州康定县境内金汤河口下游2.5km,控制流域面积55880km2,是以单一发电为主的大型水库电站,无航运、漂木、防洪、灌溉等综合利用要求。长河坝水电站枢纽建筑物主要由砾石土心墙堆石坝、泄水系统、引水发电系统组成。拦河大坝为砾石土 Brief Introduction of Project Changheba Hydropower Station is located at the upper reaches of Dadu River in Kangding County of Ganzi Tibetan Autonomous Prefecture in Sichuan Province. It is the 10th level for the development of hydropower cascades in Dadu River. The dam dam site is 2.5km downstream of Jintang River Estuary in Kangding County of Ganzi Prefecture, with 55880km2 of control basin. It is a large-scale reservoir power station based on single generation without any requirement of comprehensive utilization such as shipping, floating wood, flood control and irrigation. Changheba Hydropower Station hub buildings mainly by the gravel soil core rockfill dam, drainage system, water diversion system. Barrage dam for the gravel soil