Partitioned waterproof system for water-enriching section of tunnel

A tunnel and water-rich technology, applied in tunnels, tunnel lining, drainage, etc., can solve problems such as affecting the performance of tunnels and groundwater leakage, and achieve the effect of reducing water pressure and improving waterproof performance.

Pending Publication Date: 2018-03-20
SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large amount of groundwater accumulates in the surrounding rock, and excessive water pressure causes groundwater to leak from settlement joints, etc., affecting the performance of the tunnel

Method used

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  • Partitioned waterproof system for water-enriching section of tunnel
  • Partitioned waterproof system for water-enriching section of tunnel
  • Partitioned waterproof system for water-enriching section of tunnel

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and embodiment the present invention is described further as follows:

[0022] The waterproof system of the water-rich section of the tunnel, such as figure 1 with figure 2 As shown, the tunnel includes primary support 11 on the outer layer along its radial direction, secondary lining 12 on the inner layer and waterproof layer 13 in the middle; the tunnel includes a water-rich section 14 along its longitudinal direction and respectively The conventional lining section 15 that is connected to the axial ends of the water-rich section 14; the settlement joint 2 is formed at the joint between the water-rich section 14 and the conventional lining section 15; it includes a settlement joint waterproof structure, and the settlement joint waterproof structure includes a settling joint The water-stop rubber pad 21 closed along the ring direction of the tunnel at the settlement joint, the water-stop rubber pad 21 is located between ...

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Abstract

The invention relates to a partitioned waterproof system for a water-enriching section of a tunnel, which belongs to the waterproof field of tunnels and aims to improve the waterproof performance of the water-enriching section and avoid the seepage of the water-enriching section. The system comprises a water stopping rubber mat which is circumferentially sealed along the tunnel and is arranged ata settlement joint, and the water stopping rubber mat is located between an initial support and a waterproof layer; one side of the water stopping rubber mat along the middle line is longitudinally overlapped to a conventional lining section along the tunnel while the other side of the water stopping rubber mat is longitudinally overlapped to the water enriching section along the tunnel. Accordingto the system provided by the invention, a seepage gap between the waterproof layer and the initial support is partitioned at the settlement joint by arranging the water stopping rubber mat to blockwater seeping into the seepage gap between the waterproof layer and the initial support in the water-enriching section, so that water seeping into the seepage gap is prevented from flowing into the conventional lining section along the seepage gap.

Description

technical field [0001] The invention belongs to the field of tunnel waterproofing, in particular to a partitioned waterproofing system for water-rich sections of tunnels. Background technique [0002] Tunnel is an engineering structure built underground, which is widely used in fields such as transportation, mining, water conservancy and national defense. The drainage system of the tunnel is an important link in the construction, normal use and safe operation of the tunnel. It usually includes the central drainage ditch along the longitudinal direction of the tunnel arranged under the road surface in the tunnel, and the side walls along the longitudinal direction of the tunnel arranged at the lower part of the side walls on both sides. Longitudinal drainage pipes, circumferential drainage pipes arranged behind the side walls and arch walls, and horizontal drainage pipes under the road surface along the horizontal direction of the tunnel; the circumferential drainage pipes ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/38E21F16/02
CPCE21D11/385E21D11/386E21F16/02
Inventor 韦远飞杨枫葛正辉郑金龙唐协田志宇李泳伸李晓洪
Owner SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
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