Phase change temperature-adjusting plate based anti-freezing thermal-insulation structure for tunnel and construction method of phase change temperature-adjusting plate based anti-freezing thermal-insulation structure for tunnel
A temperature-regulating plate and phase-change temperature technology, applied in tunnels, tunnel linings, dust prevention, etc., can solve the problems of extended construction period, poor insulation performance of thermal insulation materials, frequent replacement, etc., to save operating costs and improve thermal insulation performance , The effect of saving purchase costs
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[0033] The antifreeze and heat preservation structure of the tunnel based on the phase change temperature regulating plate in this implementation is as follows: figure 1 As shown, it includes the fireproof board 4, the second tunnel lining 3, the waterproof board 2 and the primary tunnel lining 1, which are arranged sequentially from the inside to the outside of the tunnel, wherein the concrete of the second tunnel lining 3 contains porous lightweight aggregate 7, and the second tunnel lining 3 and There is a plastic pipe 5 heating device sandwiched between the waterproof boards 2; the first phase-change capsule 8 and the second phase-change capsule 9 are contained in the fireproof board 4, and the porous lightweight aggregate 7 is directly mixed into the corresponding concrete during construction. The first phase change capsule 8 and the second phase change capsule 9 are directly incorporated into the fireproof board.
[0034] The tunnel second lining 3 is composed of multipl...
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