Unequal-height longitudinal beam bearing straight wall bottom plate type lining with longitudinal water collecting and releasing channel formed in tunnel bottom and drainage system structure of lining
A drainage channel and drainage system technology, applied in tunnel lining, tunnel, drainage, etc., can solve the problems of tunnel inverted arch uplift deformation, tunnel bottom structure cracking and damage, etc., to save materials, eliminate effects, and reduce engineering construction investment Effect
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[0042] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0043] refer to Figure 1 to Figure 7, the tunnel bottom of the present invention is provided with vertical water collection and discharge channels with unequal height longitudinal beam bearing straight wall floor type lining and its drainage system structure, including the primary support structure 10 of the arch wall, the secondary lining structure 40 of the arch wall and the scope of the arch wall Waterproof layer 20, and drainage system. The bottom of the side walls on both sides of the arch wall secondary lining structure 40 is provided with longitudinal beams 42 consolidated with it as its load-bearing structure, which can effectively control the settlement and deformation of the arch support structure for tunnels in weak surrounding rock areas, and for tunnels in karst areas, It can effectively span karst forms in a certain size range (dissolv...
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