I-type sheet pile for tunnel construction
A tunnel construction and sheet pile technology, which is applied in sheet pile walls, foundation structure engineering, excavation, etc., can solve the problems of high cost, large environmental impact, and long tunnel construction period, and achieve small excavation area and small environmental impact , The effect of shortening the construction period
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[0046] The present invention is used for tunnel construction under shallow water and land conditions by the mobile cofferdam open cut method, comprising the following steps:
[0047] 1) to form a weir body;
[0048] The weir body enclosed by the tunnel construction includes a construction body 1, a demolition body 2 and a construction body 3. The construction body 1 is the weir body at the tunnel construction site, and is divided by a side partition 8 and a full-end partition 5a (such as Figure 23 , Figure 24 shown) and A profiling end face partition 6a (such as Figure 25 As shown), the demolition body 2 is the weir body in the demolition process, which is surrounded by the side partition 8 on the left side of the construction body 1, the A profiled end face partition 6a and the B profiled end face partition 6b, and the construction body 3 It is the weir body in the construction process, surrounded by the side partition 8 on the right side of the construction body 1, the ...
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