Supporting device and method for loess tunnel
A support device and technology for loess tunnels, applied in tunnels, earthwork drilling, tunnel lining, etc., can solve problems such as instability, inappropriateness, and instability of loess water absorption, so as to prevent falling off, increase safety reserves, and facilitate stability Effect
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[0023] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0024] Such as figure 1 and figure 2 The support structure of a collapsible loess tunnel is shown, including: a wooden plank 1 used for tunnel support, a steel arch frame 2 used for tunnel support, prefabricated reinforced concrete segments 3 and two steel arches Wooden planks for padding between the shelves 24.
[0025] Tunnel support is divided into two supports, the inner one (near the cave wall) is called the first lining, the outer one is called the second lining, the first lining is the main force-bearing component, and the second lining also bears the force, and the second lining is mainly used as a safety reserve .
[0026] Wooden board 1 and steel arch 2 form a lining. Wooden board 1 surrounds the tunnel to prevent the soil from falling off the surface of the tunnel and form a load-bearing ar...
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