Tunnel antifreeze insulation structure and construction and operation method based on phase change temperature regulating plate
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, leakage of tunnel lining surface, and occupation of tunnel space, so as to improve thermal insulation performance, save operating costs, The effect of saving construction cost
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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 sequentially arranged 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 second tunnel lining 3 is composed of multipl...
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