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Rock burst monitoring and early warning method and system

A technology of monitoring and early warning and rock burst, which is applied to earth drilling, mining equipment, mining equipment, etc., can solve problems such as inaccurate monitoring and early warning of rock burst, and achieve the effect of accurate monitoring and early warning

Active Publication Date: 2021-06-15
CCTEG COAL MINING RES INST
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  • Claims
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Problems solved by technology

[0004] The present invention provides a method and system for monitoring and early warning of rock burst, which is used to solve the defect of inaccurate monitoring and early warning of rock burst in the prior art, and realize accurate monitoring and early warning of rock burst

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  • Rock burst monitoring and early warning method and system
  • Rock burst monitoring and early warning method and system
  • Rock burst monitoring and early warning method and system

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0034] Combine below figure 1 Describe the rock burst monitoring and early warning method of the present invention, including: step 101, according to the location of the vibration event in the area to be measured, determine the monitoring geographical range of the vibration event;

[0035] Wherein, the area to be tested is an area where monitoring and early warning of rock burst is required,...

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Abstract

The invention provides a rock burst monitoring and early warning method and system. The method comprises the steps that a monitoring geographic range of a vibration event is determined according to the position of the vibration event in a to-be-detected region; a monitoring time range of the vibration event is determined according to the occurrence time of the vibration event; and according to the stress values of anchor rods and anchor cables in the monitoring geographical range in the monitoring time range, whether or not to carry out early warning on the impact danger caused by the vibration event is determined. According to the rock burst monitoring and early warning method and system, the combined monitoring of the vibration event and the stress conditions of the anchor rods and the anchor cables is realized, so that the monitoring and early warning of the rock burst are more accurate.

Description

technical field [0001] The invention relates to the technical field of coal mining, in particular to a rock burst monitoring and early warning method and system. Background technique [0002] Rock burst is a dynamic phenomenon of sudden and violent destruction, which is often accompanied by loud noise or obvious vibration, followed by instantaneous displacement and throwing of coal (rock) mass. Judging from the characterization phenomenon of rock burst, vibration is the main feature of rock burst. Under the strong vibration, the surrounding rock of the roadway is damaged, and the support strength is reduced or fails, which in turn causes a large amount of coal to be thrown out, resulting in impact damage. Therefore, the dynamic loads caused by mining impact, fault dislocation, and roof fracture are mostly the inducing factors of rock burst, while the increase of supporting body load and its failure are the direct factors of surrounding rock impact. [0003] At present, mon...

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Application Information

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IPC IPC(8): E21F17/18
CPCE21F17/185Y02A10/23
Inventor 秦子晗夏永学潘俊锋冯美华王传朋
Owner CCTEG COAL MINING RES INST