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在高山峡谷地区修建高水头水电站时,如果设置有深部进水口大流量的泄水隧洞,在施工期间用来导流,水库运用时,用来泄洪或放空水库,则有利于水工布置,可加快建设速度,节约资金,并便于水库操作运用。但修建这样的泄水隧洞,要解决高压水工隧洞的衬砌与稳定、高水头闸门的设计与制造、高速水流气蚀破坏的防止等许多复杂技术问题。苏联努列克水电站的导流泄洪隧洞的设计、施工和运用经验,提供了这方面的参考材料。现从有关该导
When constructing a high-head hydropower station in a mountainous gorge area, if a large-volume drainage tunnel with a deep intake is provided, which is used for diversion during the construction period and used for flood discharge or emptying of reservoirs during the construction period, it is favorable for hydraulic arrangement. Speed up the construction speed, save money, and facilitate the operation of reservoirs. However, the construction of such a drainage tunnel, to solve the high pressure hydraulic tunnel lining and stability, high head gate design and manufacture of high-speed flow cavitation damage prevention and many other complex technical issues. The design, construction and application experience of the diversion and discharge tunnel in the Soviet Union Noulike hydropower station provide reference materials in this regard. Now from the guide