Tunnel structure crossing karst channel and system for tunnel crossing karst channel

A karst and tunnel technology, which is applied in the field of tunnel structure and tunnel crossing karst channel system, can solve the problems of affecting operation safety, increasing operation cost, and entering the tunnel body, so as to save grouting materials, improve tunnel operation safety, and reduce operation cost. cost effect

Pending Publication Date: 2022-03-22
中交四公局第三工程有限公司
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Problems solved by technology

[0003] Through the above analysis, the existing problems and defects of the existing technology are: in the existing methods to solve the problem of silt accumulation, regular dredg

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  • Tunnel structure crossing karst channel and system for tunnel crossing karst channel
  • Tunnel structure crossing karst channel and system for tunnel crossing karst channel
  • Tunnel structure crossing karst channel and system for tunnel crossing karst channel

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Embodiment Construction

[0056] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0057] Aiming at the problems existing in the prior art, the present invention provides a tunnel structure for crossing karst passages and a tunnel crossing karst passage system. The present invention will be described in detail below with reference to the accompanying drawings.

[0058] The tunnel structure passing through the karst passage provided by the embodiment of the present invention includes a karst passage and a tunnel lining passing through the karst passage; wherein, the tunnel structure is integrally poured with reinforced concrete, and a leveling layer is laid on the top of the tunnel lining. Set up a dam at ...

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Abstract

The invention belongs to the technical field of tunnel construction, and discloses a tunnel structure penetrating through a karst channel and a karst channel penetrating system of the tunnel. The system for the tunnel to pass through the karst channel comprises a data acquisition module, a karst boundary judgment module, a central control module, a tunnel section excavation module, a drilling detection module, a section data analysis module, a leveling layer laying module, a karst channel passing module, a data storage module and an update display module. According to the method, through the core technical schemes of karst boundary judgment, tunnel section excavation, drilling detection, section data analysis, leveling layer laying, karst channel crossing and the like, the problems of drainage and sludge accumulation encountered when the tunnel crosses the karst channel in the prior art are solved, the tunnel operation safety is improved, and the operation cost is reduced. And meanwhile, the Rayleigh wave detection technology is adopted to judge the underground karst boundary, the distribution state of the karst can be accurately analyzed, the treatment guidance effect on the karst water is good, and the precision is high.

Description

technical field [0001] The invention belongs to the technical field of tunnel construction, and in particular relates to a tunnel structure for crossing karst passages and a tunnel crossing karst passage system. Background technique [0002] At present, when the traditional tunnel structure passes through the karst channel, it is generally necessary to set up a drainage ditch at the bottom of the tunnel. The original karst channel that crosses the tunnel body is changed to the bottom of the tunnel, which can reduce the impact of the karst channel on the tunnel structure. However, in the current actual engineering, due to the elevation problem of the karst channel, when the traditional tunnel structure passes through the karst channel, an "inverted siphon" structure is required. The "inverted siphon" structure will lead to the accumulation of karst water in the bottom drainage ditch, which in turn will lead to the accumulation of silt in the drainage ditch, affecting smooth d...

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Application Information

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IPC IPC(8): E21D9/00E21D9/10E21D11/10E21F17/103
CPCE21D9/003E21D9/10E21D11/10E21F17/103
Inventor 刘旭斌申翔宇徐国春周德勋
Owner 中交四公局第三工程有限公司
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