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Emergency stop zone of shield-method submarine highway tunnel and construction method of emergency stop zone

A technology for emergency parking and road tunneling, which is applied in tunnels, tunnel linings, earthwork drilling and mining, etc., and can solve problems such as high cost and enlarged diameter of shield excavation

Pending Publication Date: 2021-05-18
SHANGHAI TUNNEL ENG CO LTD
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects in the existing technology, an emergency parking belt and its construction method for the shield method submarine highway tunnel are provided to solve the problem of emergency parking belt space reserved in the section of the shield method super-long submarine highway tunnel, which causes shield The problem of large excavation diameter and high cost

Method used

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  • Emergency stop zone of shield-method submarine highway tunnel and construction method of emergency stop zone
  • Emergency stop zone of shield-method submarine highway tunnel and construction method of emergency stop zone
  • Emergency stop zone of shield-method submarine highway tunnel and construction method of emergency stop zone

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Embodiment Construction

[0026] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0028] figure 1 It is a structural schematic diagram of the emergency parking zone of the shield method subsea highway tunnel according to the embodiment of the present invention, Figure 2 to Figure 8 It is a schematic diagram of the steps of the construction method of the emergency parking belt...

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Abstract

The invention discloses an emergency stop zone of a shield-method submarine highway tunnel and a construction method of the emergency stop zone. A constructed road surface structure is laid in a constructed submarine shield tunnel, a strip-shaped entrance and exit is formed in the side portion of the constructed submarine shield tunnel, and the position of the entrance and exit corresponds to the constructed road surface structure. The emergency stop zone comprises a reinforcing cover, an arc-shaped new pipe piece and a newly-constructed road surface structure, wherein a cover opening of the reinforcing cover is connected to the outer edge of the entrance and exit; the arc-shaped new pipe piece is arranged in the length direction of the constructed submarine shield tunnel, the outer arc surface of the arc-shaped new pipe piece is attached to the inner side of the reinforcing cover, and the upper side and the lower side of the arc-shaped new pipe piece are connected to the inner edge of the entrance and exit; and the newly-constructed road surface structure is used for emergency stop, laid on the inner arc surface of the arc-shaped new pipe piece and connected to the constructed road surface structure. According to the emergency stop zone of the shield-method submarine highway tunnel and the construction method of the emergency stop zone, the problems that the shield excavation diameter is increased and the cost is high due to the fact that an emergency stop zone space is reserved on the section of the shield-method super-long submarine highway tunnel are solved.

Description

technical field [0001] The invention relates to the technical field of shield tunneling construction, in particular to an emergency stop zone of a subsea highway tunnel by shield tunneling method and a construction method thereof. Background technique [0002] Highway tunnels need to set up emergency parking belts every 750m. At present, due to the limitation of tunnel space in domestic shield tunneling method road tunnels, emergency parking belts are usually set at both ends of the open-cut section. ) Submarine highway tunnel, the tunnel section does not have the conditions for setting up working wells, and the emergency parking zone is difficult to construct. If the emergency parking zone space is reserved for the shield section, the shield excavation diameter needs to be enlarged, which is economical and expensive. Contents of the invention [0003] In order to overcome the defects in the existing technology, an emergency parking belt and its construction method for the...

Claims

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Application Information

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IPC IPC(8): E21D9/14E21D9/06E21D11/08
CPCE21D9/14E21D9/06E21D11/08
Inventor 朱雁飞侯永茂万敏宿文德潘伟强熊胜邵耳东黄锐胡超荣郭亮
Owner SHANGHAI TUNNEL ENG CO LTD
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