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Bolt-based underground space surrounding rock disaster resistivity real-time monitoring method

An underground space, real-time monitoring technology, applied in geophysical measurement, radio wave measurement system, measurement device, etc., can solve the problems of inability to monitor disasters in a large range, secondary damage of surrounding rocks, cumbersome processes, etc., and achieve real-time and reliable monitoring data. , to avoid secondary damage, the effect of simple connection process

Inactive Publication Date: 2017-08-04
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a simple operation, no damage to the surrounding rock, accurate Real-time monitoring method for resistivity of surrounding rock hazards in underground space based on bolts with high and wide application range

Method used

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Embodiment Construction

[0041] Figure 1~4 It is the best embodiment of the present invention, below in conjunction with attached Figure 1~4 The present invention will be further described.

[0042] Such as figure 1As shown, the method for real-time monitoring of resistivity of surrounding rock disasters in underground space based on bolts includes a real-time monitoring system. The electrode 1 is connected to the output end of the electrical instrument 3, the measuring electrode 2 is connected to the input end of the electrical instrument 3, the electrical instrument 3 is connected to the main control computer 4, and the main control computer 4 is also connected to the sound and light alarm device 5.

[0043] Such as figure 2 As shown, in the surrounding rock of the underground space, there are multiple anchors on the same straight line, the distance between two adjacent anchors is 0.4~1.6m, and the two outermost anchors are the boundary anchors of the monitoring area. Rod 6, two monitoring ar...

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Abstract

The invention relates to a bolt-based underground space surrounding rock disaster resistivity real-time monitoring method and belongs to the mining and geotechnical engineering safety detection and monitoring technical field. According to the method, an underground space surrounding rock disaster resistivity real-time monitoring device is set and includes a power supply electrode, a measuring electrode, an electrical prospecting apparatus, a bolt and a main control computer; the main control computer is connected with the electrical prospecting apparatus; the power supply electrode and the measuring electrode are connected with the electrical prospecting apparatus through conductors; and the power supply electrode and the measuring electrode are connected with the bolt at an underground space surrounding rock monitoring area. According to the bolt-based underground space surrounding rock disaster resistivity real-time monitoring method, the bolt is adopted as a conductor to monitor the resistivity of an anchorage zone and surrounding rock; and the stability of the surrounding rock and anchorage zone is monitored according to the change of the resistivity. The method has the advantages of no damage to the surrounding rock, high accuracy, wide application range and the like.

Description

technical field [0001] A bolt-based real-time monitoring method for resistivity of surrounding rock hazards in underground space belongs to the technical field of mining and geotechnical engineering safety detection and monitoring. Background technique [0002] Surrounding rocks in the underground space have dangers such as slabs, roof caving, water inrush, and rockburst dynamic disasters, which not only cause support failure, affect the progress of the project, and even cause earthquakes, posing a direct threat to staff and equipment. Bolt support has become a main form of mine roadway and other underground engineering support in various countries in the world, so the stability of the bolt anchorage area is particularly important. With the continuous increase of underground space development and mining depth, the ground stress is getting higher and higher, which makes the surrounding rock damage frequency and intensity higher and higher, engineering disasters are becoming m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/08
CPCG01V3/08
Inventor 张晓君
Owner SHANDONG UNIV OF TECH
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