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Cold region tunnel anti-freezing insulation system and anti-freezing insulation construction method

A technology for tunnels and thermal insulation systems in cold regions, applied in tunnels, tunnel linings, earthwork drilling and mining, etc., to achieve the effects of simple structure, uniform load distribution, and convenient construction and maintenance

Active Publication Date: 2015-07-15
SHANXI PROVINCIAL RES INST OF COMM +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the existing antifreeze and heat preservation technology for tunnels in cold regions, the present invention provides an antifreeze and heat preservation system and an antifreeze and heat preservation construction method for tunnels in cold regions with strong pertinence, reasonable structural design, simple construction, strong operability and low engineering cost

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  • Cold region tunnel anti-freezing insulation system and anti-freezing insulation construction method

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Embodiment Construction

[0039] Below in conjunction with accompanying drawing and specific embodiment structure of the present invention and construction method thereof are described in further detail:

[0040] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , an antifreeze and thermal insulation system for tunnels in cold regions mainly consists of concrete base 2, aluminum film 3, lightweight aggregate thermal insulation concrete 4, steel corrugated board 5, PVC pipe 6, aluminum alloy water collection tank 7, vertical drainage pipe 8, longitudinal drainage Pipe 9, horizontal drainage pipe 10, central drainage ditch 11, aluminum alloy keel frame 12, lightweight fiber cement mortar 13, self-tapping screws 14, electric heating belt 15, etc.

[0041] see image 3 as well as Figure 4 , the aluminum film 3 is set on the inner side of the secondary lining 1 of the tunnel, and is fixed with the inner side of the secondary lining 1 of the tunnel by using the aluminum alloy keel frame 12 a...

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Abstract

The invention discloses a cold region tunnel anti-freezing insulation system and an anti-freezing insulation construction method. The cold region tunnel anti-freezing insulation system comprises an aluminum film, lightweight aggregate thermal insulation concrete, a steel corrugated plate, a drainage device, an aluminum film fixing device and a heating device, wherein the whole aluminum film is arch-shaped; the aluminum film is fixed on a secondary lining through the aluminum film fixing device; a gap is formed between the aluminum film and the secondary lining; the bottom of the gap formed between the aluminum film and the secondary lining is connected with the drainage device with a birdmouth; the width of the gap formed between the aluminum film and the secondary lining is smaller than or equal to the width of the birdmouth of the drainage device; the steel corrugated plate is arranged on the inner side of the aluminum film; the lightweight aggregate thermal insulation concrete is filled between the steel corrugated plate and the aluminum film; the heating device is buried in the lightweight aggregate thermal insulation concrete between the steel corrugated plate and the aluminum film. By adopting the cold region tunnel anti-freezing insulation system and the anti-freezing insulation construction method, the problems of water leakage and freezing damage in the conventional cold region tunnel can be effectively solved, the anti-freezing damage capability of the cold region tunnel lining is greatly enhanced, and the structural durability of the cold region tunnel lining is enhanced.

Description

technical field [0001] The invention belongs to the technical field of tunnel engineering disaster prevention and control, and relates to an antifreeze and heat preservation system for tunnels in cold regions and a construction method for antifreeze and heat preservation. Background technique [0002] In recent years, with the continuous development of my country's transportation construction, the weather, hydrology, geological landforms, and surrounding rock types faced by expressway tunnels have become more and more complex, and water leakage has become one of the most important problems faced by highway tunnels. one. Under the long-term effect of water leakage, the tunnel lining structure will be eroded and damaged, resulting in water accumulation on the road and deteriorating the driving environment. At the same time, water leakage will affect the safety and performance of electromechanical, ventilation, lighting and other equipment in the tunnel. Especially in tunnels i...

Claims

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Application Information

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IPC IPC(8): E21D11/38E21D11/10E21F16/02
CPCE21D11/10E21D11/38E21F16/02
Inventor 薛晓辉申俊敏张军宿钟鸣孙志杰赵建斌董立山
Owner SHANXI PROVINCIAL RES INST OF COMM
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