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1.概况酒泉冰沟电站位于甘肃省酒泉地区,引水隧道全长7100m,其中4630m穿过酒泉砂砾层带。断面结构形式为全圆形,直径4.1m,C20钢筋混凝土衬砌。隧道最大埋深231m,最小埋深64m。酒泉砂砾层水工隧道施工的核心问题是无成熟的施工经验,只能利用现有的施工技术进行摸索施工。要想确
1. Overview Jiuquan ice ditch station is located in Jiuquan, Gansu Province, the diversion tunnel full length of 7100m, of which 4630m through the Jiuquan sand gravel zone. The cross-section structure is all-round with a diameter of 4.1m and C20 reinforced concrete lining. The maximum depth of tunnel 231m, the minimum depth of 64m. Jiuquan gravel layer hydraulic tunnel construction is the core problem of immature construction experience, only the use of existing construction technology to explore construction. To really want