Arched wall of polymorphic subway tunnel based on heat-reducing and flame-retardant
A polymorphic, tunnel-based technology, applied in tunnels, tunnel linings, mine/tunnel ventilation, etc., can solve problems such as greater threats to personnel safety, poor fire prevention and cooling performance, and fewer subway tunnels, so as to reduce threats and improve stability sex and strength, volume-enhancing effects
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[0043] See figure 1 , A polymorphic subway tunnel arch wall based on heat-reducing and flame-retardant, including an embedded polymorphic layer and a stereotyped lining layer, the embedded polymorphic layer is fixedly connected to the inner wall of the tunnel, and the embedded polymorphic layer It is arranged adjacent to the shaped lining layer, the embedded polymorphic variable layer includes a hollow overflow layer and two symmetrically arranged thermally variable layers, and a plurality of evenly distributed upper support pillars are connected between the shaped lining layer and the inner wall of the tunnel 11 and side support pillars 12, multiple upper support pillars 11 are located in the hollow overflow layer, multiple side support pillars 12 are located in the thermally variable layer, multiple overflow holes 21 are all located under the hollow overflow layer, multiple counterflow holes 22 is located inside the thermally variable layer. The shaped inner lining is excavate...
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