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Ventilation transportation system for single-inclined-shaft multi-face tunnel construction

A tunnel construction and transportation system technology, applied in the field of traffic engineering, can solve problems such as the difficulty in arranging multiple large-diameter air ducts, aggravating air pollution in the tunnel, and increasing the difficulty of construction ventilation, so as to improve the ballast output speed and comprehensive The effect of driving efficiency, ensuring occupational health, and improving construction efficiency and progress

Inactive Publication Date: 2016-09-07
CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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Problems solved by technology

[0002] In tunnel construction, one inclined shaft often bears multiple tunnel faces. Due to the limitation of the section clearance of the inclined shaft, it is difficult to meet the requirements of arranging multiple large-diameter air ducts.
The increase of the construction face leads to a corresponding increase in the vehicles for discharging ballast, which aggravates the air pollution in the cave and also increases the difficulty of construction ventilation

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  • Ventilation transportation system for single-inclined-shaft multi-face tunnel construction
  • Ventilation transportation system for single-inclined-shaft multi-face tunnel construction
  • Ventilation transportation system for single-inclined-shaft multi-face tunnel construction

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Embodiment Construction

[0031] The present invention will be described in detail below in combination with specific embodiments.

[0032] The ventilating transportation system for the construction of multi-face tunnels in a single inclined shaft according to the present invention comprises a tunnel 9, an inclined shaft and a dumping ground 20 at the exit of the inclined shaft, the tunnel 9 is a parallel two-tube tunnel, and the inclined shaft and one of the tunnels connected to each other, the inclined shaft undertakes the construction of the four tunnel faces 22 of the two-pipe tunnel at the same time. The shaft 1 of the inclined shaft is provided with a transverse intermediate partition 3, which is located in the middle of the shaft 1. The intermediate partition 3 divides the section of the shaft 1. It is divided into air supply duct 4 and flue exhaust duct 5 up and down. The upper part is an air duct 4 for entering fresh air, and the lower part is a flue exhaust duct 5 for discharging dirty air. ...

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Abstract

The invention relates to a ventilation transportation system for single-inclined-shaft multi-face tunnel construction. Under the working condition that one inclined shaft bears multiple faces, due to the limitation of the section clearance of the inclined shaft, it is difficult to meet the requirement that a plurality of large-diameter air pipes are arranged. According to the ventilation transportation system, a transverse middle partition board is arranged in a shaft body of the inclined shaft and located in the middle of the shaft body, and the middle partition board divides the section of the shaft body into an air delivery duct and a smoke exhaust duct up and down; and a belt conveyor is arranged at the bottom of the inclined shaft wall on one side in the shaft body, and the belt conveyor extends to a discarded ballast field at an outlet of the inclined shaft from the joint of the inclined shaft and a tunnel. The ventilation transportation system can improve the transportation efficiency, and the air supply problem occurring when the multiple faces are constructed in the inclined shaft is solved; and the belt conveyor serving as a ballast discharging device is adopted, so that the usage number of internal combustion vehicles is reduced, air pollution caused when heavy-load ballast discharging vehicles climb slopes is lowered, the occupational health of workers is guaranteed, and the ballast discharging speed and comprehensive tunneling efficiency are increased.

Description

technical field [0001] The invention relates to the technical field of traffic engineering, in particular to a ventilation transportation system for multi-face tunnel construction in a single inclined shaft. Background technique [0002] In tunnel construction, one inclined shaft often bears multiple tunnel faces. Due to the limitation of the section clearance of the inclined shaft, it is difficult to meet the requirements of arranging multiple large-diameter air ducts. The increase of the construction face resulted in a corresponding increase of ballasting vehicles, which aggravated the air pollution in the cave and also increased the difficulty of construction ventilation. Contents of the invention [0003] The purpose of the present invention is to provide a ventilation transportation system for multi-face tunnel construction in a single inclined shaft, which can improve the transportation efficiency and reduce the air pollution in the inclined shaft. [0004] The tec...

Claims

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Application Information

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IPC IPC(8): E21F1/00E21F13/04
CPCE21F1/003E21F13/04
Inventor 张旭珍陈绍华
Owner CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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