Abstract

At present, the per capita shortage and imbalance of water resources are the basic national conditions of China, water-conveyance tunnel can solve some this problems. Because the tunnel project is a covert project, people cannot accurately know the operation of the project in advance, and can only basically know the operation state of the tunnel through the existing test means, thus bringing certain blindness to the tunnel operation management. This paper takes the Qiandao Lake Water Distribution Projec as an example, the stability of surrounding rock under different internal water pressure is analyzed and studied by using numerical simulation, and an optimal internal water pressure is obtained, which provides some guidance and suggestions for tunnel operation management and ensures the security of operation.[1][2][3][4][5]

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