紧水滩水电站泄洪建筑物根据双曲拱坝、坝后式厂房枢纽布置的要求,经过多种方案比较,最后选用了两侧中浅孔滑雪道式的泄洪布置与结构。泄洪建筑物的设计原则和任务是:(1) 水电站为一级工程,大坝为一级建筑物,泄洪设计标准为千年一遇洪水,相应下泄流量5805 According to the requirements of double curved arch dam and dam-type factory hub layout, after comparing various schemes, finally the flood discharge layout and structure of the mid-shallow piste skiing slopes are selected. The design principles and tasks of flood discharging buildings are as follows: (1) The first level dam is a hydropower station, the first level dam is a dam, and the flood discharge standard is flood once in a thousand years, corresponding discharge rate is 5805