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Tunnel diversion compound waterproof and drainage comprehensive system and its construction method and application method

A comprehensive system, waterproof and drainage technology, applied in drainage, tunnel, tunnel lining, etc., can solve the problems of complicated process and high project cost, and achieve the effects of simple steps, reduced project cost, novel and reasonable design

Inactive Publication Date: 2015-12-09
XIAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the waterproof and drainage system of the tunnel is constructed according to this method, the process is complicated, and the project cost is relatively high

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  • Tunnel diversion compound waterproof and drainage comprehensive system and its construction method and application method
  • Tunnel diversion compound waterproof and drainage comprehensive system and its construction method and application method
  • Tunnel diversion compound waterproof and drainage comprehensive system and its construction method and application method

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Embodiment Construction

[0066] Such as figure 1 , figure 2 with image 3 As shown, the tunnel diversion composite waterproofing and drainage system of the present invention includes a surrounding rock waterproofing and drainage system and a tunnel internal drainage system. The waterproof and drainage layer 8 and the surrounding rock drainage and water collection pipe 10 arranged at the middle position of the bottom of the tunnel initial support 9 and along the direction of the tunnel. The rock drainage water collection pipe 10 consists of a U-shaped concrete prefabricated pipe 10-1 arranged at the bottom of the waterproof and drainage layer 8, and a concrete prefabricated pipe 10-1 arranged on the top of the waterproof and drainage layer 8 and used to cover the top opening of the concrete prefabricated pipe 10-1. The cover plate 10-2 is formed, and the waterproof and drainage layer 8 is disconnected at the position at the top of the concrete prefabricated pipe 10-1; as Figure 4 , Figure 5 , ...

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Abstract

The invention discloses a tunnel diversion composite type waterproof and drainage system which comprises a surrounding rock waterproof and drainage system and a tunnel internal drainage system, wherein the surrounding rock waterproof and drainage system comprises a waterproof and drainage layer and a surrounding rock water drainage and collection pipe; the waterproof and drainage layer consists of multiple waterproof and drainage plates arranged in a butting manner; the surrounding rock water drainage and collection pipe consists of a concrete prefabricated pipe and a cover plate; the tunnel internal drainage system comprises a left water collecting tank, a right water collecting tank, a tunnel internal water drainage and collection pipe, a left drainage pipe and a right drainage pipe; the tunnel internal water drainage and collection pipe is arranged on a water collecting pipe base. The invention also discloses a construction method and a use method for the tunnel diversion composite type waterproof and drainage system. According to the tunnel diversion composite type waterproof and drainage system as well as the construction method and the use method thereof disclosed by the invention, the convenience for construction is realized; the diversion of surrounding rock waterproof and drainage and tunnel internal waterproof and drainage is realized, two functions of resisting water and draining water are integrated, the overall waterproof and drainage effects of the integral tunnel are improved, and the difficult problems of tunnel crack, leakage, frost heaving, water logging or icing and the like of a tunnel can be thoroughly solved.

Description

technical field [0001] The invention belongs to the technical field of waterproofing and drainage of tunnels and underground engineering, and in particular relates to a tunnel diversion composite waterproofing and drainage comprehensive system and its construction method and use method. Background technique [0002] At present, composite lining waterproof and drainage systems are widely used at home and abroad. In terms of waterproofing: After pre-grouting waterproof measures, excavate the tunnel section, and then carry out bolt support to strengthen the strength of the surrounding rock. The first line of defense; then construct a composite waterproof layer as the second line of defense; then complete the secondary lining of concrete to form the third structural self-waterproof layer. In actual engineering, the construction process of the composite lining waterproof and drainage system is completed in multiple steps, which leads to problems such as poor waterproof and drain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D11/38E21F16/02
CPCE21D11/38E21F16/02
Inventor 毛正君魏荣誉
Owner XIAN UNIV OF SCI & TECH
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