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Multifunctional flat guide

A multi-functional, tunnel-body technology, applied in the field of multi-functional leveling, to reduce tunnel construction and operation risks, reduce idle waste, and improve safety and disaster prevention capabilities

Pending Publication Date: 2022-06-17
中铁长江交通设计集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For highway tunnels, generally no advanced geological construction pilot tunnels are set up, which poses certain construction risks for long tunnels with complex geology and many unfavorable geology

Method used

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Embodiment Construction

[0024] The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only used to illustrate the basic idea of ​​the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0025] Among them, the accompanying drawings are only for illustrative description, and represent only schematic diagrams, not physical drawings, and should not be co...

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Abstract

The invention relates to a multifunctional parallel adit, which belongs to the technical field of tunnels and comprises a tunnel body arranged along the extension direction of a main tunnel. A pavement cover plate is arranged in the hole body to divide the hole body into an upper channel and a lower channel which are arranged up and down; the upper channel is used for ventilation and personnel evacuation; the lower channel is used for draining water and is communicated with a karst pipeline of the tunnel; the hole body is divided into an air duct branch hole and a drainage branch hole close to the hole opening of the main hole; the air duct branch hole extends upwards to a wide terrain position or is connected into a tunnel fan room; a safety channel and a drainage channel which are communicated with the upper channel and the lower channel of the tunnel body respectively are arranged in the drainage branch tunnel, the drainage channel is connected into a tunnel opening drainage system of the main tunnel, and the safety channel is provided with a fireproof door to prevent air leakage. Idle waste of the ventilation shaft and the drainage tunnel can be effectively reduced, the construction cost is saved, tunnel construction and operation risks are reduced, tunnel drainage is assisted under the condition that extreme water inrush occurs near the tunnel, and the safety disaster prevention capacity of the tunnel is improved.

Description

technical field [0001] The invention belongs to the technical field of tunnels, and relates to a multifunctional flat guide. Background technique [0002] The ventilation shaft of the tunnel is used for tunnel ventilation, and its function is single. The ventilation shafts of some tunnels even only have the function of smoke exhaust shafts, which are only used for tunnel smoke exhaust when a fire occurs in the tunnels, and remain idle for a long time during the operation of the tunnels. [0003] The drain hole of the tunnel is used to assist the drainage of the tunnel. In the karst tunnels of long expressways with complex geological conditions, in order to avoid the extreme rainstorm weather conditions during the tunnel construction and operation, the drainage in the tunnel is not timely, resulting in catastrophic accidents. Some tunnels are often constructed after construction or operation for a period of time. Water holes assist tunnel drainage. [0004] Most of the spa...

Claims

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Application Information

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IPC IPC(8): E21D9/14E21F1/00E21F16/02
CPCE21D9/14E21F1/00E21F16/02
Inventor 李信臻胡泉秀李强陈扬勇李波曹伟黄果熊雅蒋荣衡张孝伟孙建国余晓金陈潇畅
Owner 中铁长江交通设计集团有限公司
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