Anti-dislocation structure for water delivery tunnel crossing large-scale movable fault zone
A technology for water delivery tunnels and fault zones, applied in tunnels, tunnel linings, shaft linings, etc., can solve problems such as poor adaptability, and achieve the effect of ensuring the quality of water delivery
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[0023] Below in conjunction with accompanying drawing, the technical scheme of the present invention is described in further detail:
[0024] A staggered fault-resistant structure for a water conveyance tunnel passing through a large active fault zone includes an excavation section 14 passing through the fault zone and a gradual change section 15 adjacent to the fault zone disposed at both ends of the excavation section 14 passing through the fault zone.
[0025] As a preferred solution, the gradual expansion section 15 adjacent to the fault zone starts from a distance from the boundary 200 of the fault zone that is 1 times the width of the active fault zone 100, and the length from the boundary 200 of the fault zone is 0.5 times the width of the active fault zone 100. When the width of the tunnel is enlarged, the section expansion is completed, and the gradual change section 15 adjacent to the fracture zone includes the initial tunnel support layer 3, the secondary lining laye...
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