Pi-shaped plate and inverted arch combined tunnel bottom lining structure
A combined, tunnel-bottom technology, used in tunnel linings, wellbore linings, tunnels, etc., can solve problems such as the inability to effectively drain water, the uplift and cracking of inverted arches, and the increase in concrete filling.
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0019] refer to figure 1 , the π-shaped plate and inverted arch combined tunnel bottom lining structure of the present invention includes primary support structure, secondary lining structure and waterproof and drainage system 20, and the secondary lining structure consists of secondary lining arch wall section 30, secondary lining tunnel Bottom structure. The secondary lining tunnel bottom structure is composed of an inverted arch 31 and a π-shaped plate arranged on the inverted arch 31. The π-shaped plate is composed of a top plate 40, a left vertical plate 41 and a right vertical plate 42. The left vertical plate The upper ends of the plate 41 and the right vertical plate 42 are consolidated with the top plate 40, and the lower ends are consolidated with the inverted arch 31. The horizontal ends of the top plate 40 are consolidated with the two end...
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