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A tunnel mechanical-chemical corrosion-hydraulic cutting combined tunneling construction method

A technology of chemical corrosion and hydraulic cutting, applied in tunnels, earthwork drilling, mining equipment, etc., can solve the problems of slow construction efficiency and insufficient cutting strength

Active Publication Date: 2022-05-27
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, for coal and rock mining, tunnel construction, etc., purely using water jet cutting, for areas with high rock strength, the construction efficiency is slow (insufficient cutting strength, etc.)

Method used

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  • A tunnel mechanical-chemical corrosion-hydraulic cutting combined tunneling construction method
  • A tunnel mechanical-chemical corrosion-hydraulic cutting combined tunneling construction method
  • A tunnel mechanical-chemical corrosion-hydraulic cutting combined tunneling construction method

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Embodiment 1

[0082] Embodiment 1, a tunnel mechanical-chemical corrosion-hydraulic cutting combined excavation construction method, comprising the following construction steps:

[0083] S1, determine the punching position:

[0084] Specifically include:

[0085] S1-1, according to the section size of the tunnel to be excavated, it is divided into large section and small section tunnel;

[0086] S1-2, using the geological analysis method and the geological radar advance prediction technology to analyze the mechanical properties of the surrounding rock and the integrity of the rock mass in the tunnel, so as to realize the rapid classification of the surrounding rock;

[0087] S1-3, according to the size of the section and the classification of the surrounding rock of the tunnel, determine the excavation method of the tunnel, the excavation step length of the tunnel section, the hole spacing and the row spacing;

[0088] S2, perform mechanical drilling, and use the drilling device to perfor...

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Abstract

This application discloses a tunnel mechanical-chemical corrosion-hydraulic cutting combined tunneling construction method, which belongs to the technical field of tunneling construction; the key points of the design are: S1, determine the drilling position, S2, perform mechanical drilling; S3, install the water stop- The backflow device starts the chemical corrosion device and closes the shut-off valve; S4, opens the shut-off valve to recover the acidic solution, and starts the hydraulic cutting device for cutting operations. This application aims to provide a tunnel mechanical-chemical corrosion-hydraulic cutting combined tunneling construction method, which can excavate rocky tunnels efficiently and quickly, has less impact on the surrounding environment, is more environmentally friendly, and the corrosive solution can be reused at a lower cost. Low.

Description

technical field [0001] The present application relates to the field of tunnel engineering construction (corresponding to the classification number: E21D9 / 00), and specifically relates to a combined tunneling construction method of tunnel mechanical-chemical corrosion-hydraulic cutting. Background technique [0002] In order to speed up the flow of people and logistics in various regions and ease the pressure of urban public transportation, tunnels, as an infrastructure that can break the geographical restrictions between cities, have long become the link of communication between cities. The development of tunnel engineering drives the development of the surrounding economy, which in turn promotes the improvement of the country's economic strength. Therefore, how to efficiently and quickly promote the construction of tunnel engineering has become the focus of the industry. For the construction of mountain tunnels and mountain city tunnels, the choice of tunnel excavation mach...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D9/10E21D9/00
CPCE21D9/1066E21D9/1086E21D9/1006E21D9/001E21D9/003
Inventor 钟祖良徐雅薇刘新荣王益刘东双周小涵
Owner CHONGQING UNIV