喜马拉雅山是地球上最晚形成的山脉,地质构造比较复杂,不仅断层多,而且节理密集.为了开发该地区蕴藏的丰富水能资源,若采用地面式厂房就会受到不稳定高边坡和冰崩的威胁,若采用地下厂房就必须解决好大跨度洞室的布置、开挖和支护问题。印度在喜马拉雅山区建成的第一座水电站地下厂房为柴布罗工 The Himalayas, the latest form of the earth on the earth, are complicated in structure, not only in faults but also in dense joints. In order to exploit the abundant water resources in the area, unstable ground slopes and ice The threat of collapse, if the use of underground power plants must solve the layout of long-span caverns, excavation and support issues. The first hydropower station in India, built in the Himalayas, is an underground factory for Cheb Brocade workers