Support change process of second liner construction of large-cross-section tunnel
A large-section, tunnel technology, applied in the direction of tunnel lining, tunnel, wellbore lining, etc., can solve the problems of inability to carry out construction, unstable structure of the tunnel, etc., to achieve the effect of improving stability
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[0035] The invention discloses a support replacement technology for the construction of the second lining of a large-section tunnel, so as to improve stability and enable smooth construction.
[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0037] See Figure 1-Figure 4 , figure 1 It is a schematic diagram of the structure of the second lining part after construction provided by the embodiment of the present invention; figure 2 It is a schematic diagram of the structure of the trolley...
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