Dewatering and drainage construction process for inclined shaft of extra-long water-rich karst tunnel
A construction technology and inclined shaft technology, applied in drainage, safety devices, mining equipment, etc., can solve problems such as poor economy, sudden water gushing in the cavity, and high risk, so as to reduce equipment costs and operating costs, and the difficulty of installation and construction is small. The effect of high drainage efficiency
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[0045] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely intended to illustrate the invention and are not intended to limit the invention.
[0046] Please refer to figure 1 , Figure 5 and Figure 7 , The present invention provides specialty now water-rich Karst Tunnel Shaft Dewatering and drainage process will be described. Long-rich karst tunnel Shaft Dewatering and drainage of process water, comprising the steps of:
[0047] Under step S101, the inverted U-type pipe 1 is mounted, inverted U-shaped conduit 1 extends into the first end 110 of the inclined liquid surface 3, a second end 120 extending from the outer inclined downward to below 3 a first end height position 110, the second end 120 is provided with...
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