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Tunnel escape pipeline and construction method thereof

A technology for escape pipes and escape pipes, which is applied in the construction supply of tunnel face, escape integrated tunnel escape pipes and its construction field, which can solve the problems of disorderly layout, low efficiency, easy loss, etc., and achieve low cost and simple structural design , The effect of fast disassembly

Pending Publication Date: 2021-08-06
CHINA RAILWAY 23RD CONSTR BUREAU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above technical problems, the object of the present invention is to provide a tunnel escape pipeline, which can effectively realize the integrated layout of the high-pressure gas supply and water supply lines and the escape pipeline in the tunnel. Support and water supply, gain valuable rescue time, and prevent the spread of dangerous situations leading to secondary accidents; secondly, it can avoid the transportation and dragging of various existing lines in the tunnel, which has disorderly layout, low efficiency, and easy loss and other issues; thirdly, the functional layout and integration of such supply lines combined with the escape pipeline can effectively improve the installation accuracy and construction efficiency, and can be applied to different tunnel construction conditions

Method used

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  • Tunnel escape pipeline and construction method thereof
  • Tunnel escape pipeline and construction method thereof
  • Tunnel escape pipeline and construction method thereof

Examples

Experimental program
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Embodiment 1

[0052] combine Figure 1 to Figure 5 As shown, this embodiment provides a tunnel escape pipeline, which includes a number of end-to-end escape pipe joints 1 erected between the secondary lining of the tunnel and the tunnel face, a connecting assembly 3, a support seat 4 and a supply In the pipeline, the two ends of the escape pipe joint 1 are respectively provided with connecting sections 21, and the connecting assembly 3 is arranged at the connecting section 21, which is used to connect two adjacent escape pipe joints 1, and is also used for the escape pipe joints 1 at the first and last ends The connection section 21, the support seat 4 is arranged at the bottom of the connection assembly 3, used to support the connection assembly 3 and the escape pipe joint 1, and the support seat 4 is provided with adjustable moving devices on both sides of the extension direction of the escape pipe joint 1, which can realize The movement and fixation of the support base 4, combined with t...

Embodiment 2

[0063] Embodiment two is basically the same as embodiment one, and its difference is: combine Figure 1 to Figure 4 As shown, this embodiment also provides a tunnel escape pipeline. In order to facilitate the installation of the supply pipeline, this embodiment is provided with a tee connector 12 in the support seat 4, and the supply pipeline includes several pipeline sections 5. In the embodiment, the pipeline section 5 has the same number as the escape pipe joint 1 and is arranged in parallel, wherein the two connection ends of the three-way connector 12 are in the same direction as the supply pipeline, so that the two connection ends of the three-way connector 12 respectively It is connected with the two adjacent pipeline sections 5, and the other connecting end of the tee connector 12 extends into the connection section 9 with the escape pipe joint through the reserved hole to directly form a branch pipeline. The tee connector 12 is pre-embedded in the support seat 4, whic...

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Abstract

The invention discloses a tunnel escape pipeline and a construction method thereof, and relates to the technical field of tunnel construction. The escape pipeline comprises a plurality of escape pipe joints connected end to end, connecting assemblies, supporting seats and supply pipelines, wherein connecting sections are arranged at the two ends of each escape pipe joint correspondingly, the connecting assemblies are arranged at the connecting sections and used for connecting every two adjacent escape pipe joints, the supporting seats are arranged at the bottoms of the connecting assemblies and used for supporting the connecting assemblies and the escape pipe joints, adjustable moving devices are arranged on the two sides, in the extending direction of the escape pipe joints, of the supporting seats, the supply pipelines are installed on the supporting seats and arranged in the extending direction of the escape pipe joints, branch pipelines communicating with the supply pipelines are arranged in the supporting seats, and the branch pipelines communicate with the escape pipe joints and are used for providing water and air for escape personnel. By implementing the technical scheme, oxygen and water can be supplied to the escape personnel in a construction accident in a tunnel at a lower cost, precious rescue time is won, and a dangerous case is prevented from spreading to cause a secondary accident.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a tunnel face construction supply and escape integrated tunnel escape pipeline capable of rapid movement and assembly, and a construction method thereof. Background technique [0002] With the rapid development of railways and highways, the scale and difficulty of tunnel construction are also increasing, and tunnel collapse accidents continue to occur. For this reason, it is urgent to set up escape pipelines during tunnel construction, and the setting of escape pipelines has become a must for tunnel construction. Important safety measures are prepared to deal with emergencies such as tunnel face collapse and door closing accidents, so as to facilitate the escape of construction workers. [0003] The second lining of the tunnel refers to that after the tunnel blasting and excavation is formed, the concrete is poured using a formwork trolley specially for the tunnel. Mo...

Claims

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Application Information

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IPC IPC(8): E21F11/00E21F17/00E21F13/00
CPCE21F11/00E21F17/00E21F13/004E21F13/00Y02E10/20
Inventor 刘延龙田宝华奚成李冰天
Owner CHINA RAILWAY 23RD CONSTR BUREAU LTD
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