A Construction Method for Stability Control of Biased Tunnel Side Wall
A technology of stability control and construction method, applied in the direction of tunnel, tunnel lining, earthwork drilling, etc., can solve the problems of unsatisfactory treatment effect, asymmetric load, and the dependence of treatment measures on construction experience.
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[0063] Such as figure 1 A construction method for controlling the stability of the side wall of a biased tunnel is shown. The biased tunnel 1 is excavated and the side wall is supported in multiple sections along the longitudinal extension direction of the tunnel from the back to the front. The excavation and side wall support construction methods of the section are the same; the bias tunnel 1 is a soft rock tunnel, and the buried depth of one side of the bias tunnel 1 is H1 and the buried depth of the other side is H2, wherein H1 is the vertical height from the top of the tunnel side wall on one side of the bias tunnel 1 to the ground, H2 is the vertical height from the top of the tunnel side wall on the other side of the bias tunnel 1 to the ground, H1
[0064] Step 1....
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