龙滩水电站左岸地下引水发电系统开挖支护

龙滩水电站左岸地下引水发电系统工程规模浩大,在0.5 km 2的范围内共布置有119条洞室。这些洞室在空间重叠,平竖相贯,形成庞大复杂的地下洞室群,且主要洞室尺寸庞大,其中地下厂房是目前世界上规模最大的地下厂房。龙滩水电站引水发电系统主要洞室的开挖支护方法,可供其他类似工程参考借鉴。

Excavation and Timbering about the Underground Generating System by Piloting Water of Longtan Hydropower Station

The underground generating system by piloting water of Longtan Hydropower Station is huge,which lies on the left bank of Hongshuihe River.There has 119chambers arranges in the 0.5 square kilometers,and these chambers that form huge and complex underground chambers are not only overlapping in space but also interpenetration;furthermore,the major chambers are tremendous,especially the underground main power house,which is,at the moment,is the largest underground main power house of the Longtan hydropower project,and also supplies other similar project reference models.