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一、工程概况塞雷塔(Cirata)水电站地下厂房位于印度尼西亚的塞雷塔山下,是世界上最大的人造洞室之一。地下厂房系统由4个进水口、4条引水隧洞(内径8.4m),4座调压并(内径18.6m,深91m)、8条引水钢管(内径5.2m)、一座地下厂房(长253m,宽35m,高49.5m)、8条尾水隧洞(内径6.4m)和一些辅助隧洞(包括两条进厂交通洞、两条供风洞、两条排风洞、一条厂顶排水洞、两条通往引水隧洞与压力钢管的检查洞、两条调压
First, the project overview Cirata hydropower station underground plant is located in Indonesia under the tower of Mount Serita, is one of the world’s largest artificial cavern. The underground powerhouse system is composed of 4 water intakes, 4 diversion tunnels (8.4m ID), 4 pressure-regulating (internal diameter 18.6m, depth 91m), 8 water-drawing steel pipes (5.2m ID), one underground building (length 253m, Width 35m, height 49.5m), 8 tailrace tunnels (inner diameter 6.4m) and some auxiliary tunnels (including two incoming traffic tunnels, two wind tunnels, two exhaust tunnels, one roof drainage tunnel and two Article leading to the diversion tunnel and the pressure pipe inspection hole, two pressure regulator