Collapsible loess tunnel primary support arch replacement construction method
A technology of collapsible loess and construction methods, which is applied in tunnels, earthwork drilling, tunnel lining, etc., can solve the problem of being unable to effectively prevent the large deformation behavior of collapsible loess tunnel surrounding rocks, so as to avoid the loss of soil blocks or Landslides, ensuring the safety of operators, and saving construction costs
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[0052]Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0053] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "vertical", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred...
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