A Polymorphic Subway Tunnel Arched Wall Based on Heat Reduction and Flame Retardancy
A polymorphic, tunneling technology, used in tunnels, tunnel lining, mine/tunnel ventilation, etc., can solve the problems of less subway tunnels, greater threat to personnel safety, poor fire protection and cooling performance, etc., to improve stability and strength. , reduce the threat, increase the effect of carbon dioxide concentration
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[0043] see figure 1 , a polymorphic subway tunnel arched wall based on heat reduction and flame retardancy, including an embedded polymorphic layer and a shaped lining layer, the embedded polymorphic layer is fixedly connected to the inner wall of the tunnel, and the embedded polymorphic layer Adjacent to the shaped lining layer, the embedded polymorphic layer includes a hollow overflow layer and two thermally variable layers arranged symmetrically with each other, and a number 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, a plurality of upper support pillars 11 are located in the hollow overflow layer, a plurality of side support pillars 12 are located in the thermal change layer, a plurality of overflow holes 21 are located below the hollow overflow layer, and a plurality of counterflow holes 22 is located inside the thermally variable layer. A number of evenly distri...
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