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龚咀水电站是大渡河上一个以发电为主的综合利用大型工程。大渡河在乐山汇入岷江,该电站离乐山90km。地基为花岗岩。地质条件好,交通方便,径流丰沛稳定,工程技经指标优越。该工程的混凝土重力坝,采取一次设计后期加高的实施方案。初期低坝坝高为86m,坝顶长447m,混凝土方量155万m~3;7台机组(地面厂房4台,地下厂房3台),装机容量70万kw,年发电量41.5kwh。
Gongzui Hydropower Station is a large-scale comprehensive utilization of large-scale projects on the Dadu River to generate electricity. Dadu River in Leshan into the Minjiang River, the power station from Leshan 90km. The foundation is granite. Geological conditions are good, convenient transportation, abundant and stable runoff, superior engineering and technical indicators. The project of concrete gravity dam, take a design implementation of the late increase. The initial low dam dam height is 86m, the crest length is 447m, and the square concrete weight is 1.55 million m 3; 7 units (4 ground plants and 3 underground plants) with an installed capacity of 700,000 kw and an annual generating capacity of 41.5kwh.