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A detection and processing method for roadway roof fall area based on radar detection technology

A detection technology, a technology of roadway roof caving, applied in tunnels, tunnel linings, measuring devices, etc., can solve the problems of wood stacks not as dense as rocks, secondary caving and complicated procedures, etc., to achieve reliable processing methods and enhance integrity. Effect

Active Publication Date: 2018-05-25
SHANXI YUNQUAN GEOTECHNICAL ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method is to connect the empty roof area with wooden piles while clearing the falling gangue, and install the backboard and metal brackets under the wooden piles according to the design outline of the roadway. It is difficult to guarantee personal safety when working in a goaf area without support. In addition, wooden stacks are far less dense than rocks, and the possibility of secondary caving under weak surrounding rocks is extremely high. The timber used for roofing is easy to rot and deteriorate in a humid environment, so it is urgently needed A Simple, Safe and Reliable Detection and Processing Method of Roadway Roof Fall Area Based on Radar Detection Technology

Method used

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  • A detection and processing method for roadway roof fall area based on radar detection technology
  • A detection and processing method for roadway roof fall area based on radar detection technology
  • A detection and processing method for roadway roof fall area based on radar detection technology

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Embodiment 1

[0056] A roadway roof fall area detection and processing method based on radar detection technology includes the following steps:

[0057] (1) Use radar detection technology to detect the rupture of the rock strata above the falling gangue, and determine whether the roof of the roadway is formed by the fall of the roof, and the volume of the roof under the condition that the roof is formed, the roof area or the apex of the fall zone and the roadway roof Height difference, set at least one grouting hole in the empty roof area and multiple grouting holes in the caving zone according to the detection situation;

[0058] (2) Grouting and sealing;

[0059] (3) Tunneling: After the grouting is completed, the goaf formed by the fall of the roof of the roadway and the falling gangue pile are consolidated into a stable whole under the action of the grouting liquid. The YT28 rock drill is used to design the outline along the roadway. Line, excavate the gangue piles falling from the roof of th...

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Abstract

The invention discloses a roadway roof-fall zone detection and processing method based on a radar detection technique. The roadway roof-fall zone detection and processing method comprises the following steps: firstly, detecting the rock stratum cracking situation above roof-fall gangue by using the radar detection technique, and setting grouting holes according to the detection situation; grouting, sealing holes, tunneling roof-fall gangue after grouting is cured, finally supporting sections of tunneled roadways, and grouting and curing in later periods. By adopting the roadway roof-fall zone detection and processing method based on the radar detection technique, a simple, safe and reliable treatment method is provided for roadway roof-fall zones.

Description

Technical field [0001] The invention relates to the field of mining, in particular to a method for detecting and processing roof fall areas in roadways based on radar detection technology. Background technique [0002] Due to poor surrounding rock storage conditions or external stress disturbances, underground roadways often have large-scale roof rock fall. To ensure that the roadway meets its use characteristics during the service period, the falling gangue must be removed, and the roof fall area must be removed. The surrounding rock is reinforced to restore the smoothness of the roadway. The traditional method is to use wood stacks to top the empty roof area while removing the falling gangue. The backplane and metal brackets are installed under the wood stacks according to the design contour of the roadway. The process is complicated, especially when the construction personnel are working for a long time. It is difficult to guarantee personal safety in unsupported goaf areas. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D20/00E21D11/10E21D21/00G01S13/88
CPCE21D11/105E21D20/003E21D21/0026G01S13/88
Inventor 张云赵学瑞
Owner SHANXI YUNQUAN GEOTECHNICAL ENG TECH CO LTD
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