Actual-measurement comprehensive evaluation method for impact risk

A comprehensive evaluation and risk technology, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve problems such as hidden dangers in the work environment and staff safety, and the impact risk is not completely consistent, so as to improve safety and performance. Reliability, easy operation, the effect of enhancing reliability

Inactive Publication Date: 2014-12-24
XUZHOU MINING BUSINESS GROUP
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Problems solved by technology

The impact risk pre-evaluation is the evaluation carried out before the monitoring and early warning, pressure relief and danger relief. Generally, it is not completely...

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  • Actual-measurement comprehensive evaluation method for impact risk
  • Actual-measurement comprehensive evaluation method for impact risk
  • Actual-measurement comprehensive evaluation method for impact risk

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with embodiment.

[0042] The present invention first implements methods such as monitoring and early warning, pressure relief and danger relief in pre-evaluated areas with impact risk, such as drilling cuttings detection, electromagnetic radiation monitoring, microseismic monitoring, stress monitoring, drilling pressure relief, etc.; Chip detection, electromagnetic radiation monitoring, microseismic monitoring, stress monitoring, drilling pressure relief and regional dynamic effects of the measured impact risk, the impact risk is evaluated as no impact risk, weak impact risk, medium impact risk, strong impact Risk; Finally, according to the sub-item impact risk evaluation results to further evaluate the measured comprehensive impact risk, and evaluate the impact risk into four categories: no impact risk, weak impact risk, medium impact risk, and strong impact risk class, the specific method is as foll...

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Abstract

The invention discloses an actual-measurement comprehensive evaluation method for impact risk and belongs to the technical field of rock burst disaster prevention and control. During a stress-relieving and danger-demolition process, the impact risk evaluation for items is performed, namely, the actual measured impact risks of drilling detection, electromagnetic radiation monitoring, micro-seismic monitoring, stress monitoring, drilling hole stress-relieving and local dynamic effect are evaluated, and the item with the most serious risk level is taken as a comprehensive impact risk evaluation result. According to the invention, after the sub-item actual-measurement impact risk and the comprehensive impact risk are judged, the parameters of the monitoring and early warning and the stress-relieving and danger-demolition can be adjusted, so that a rock burst controlling measure is more practical and efficient, the rock burst controlling measure is targeted and the impact risk in the impact risk area is really reduced to the lowest; the effect evaluation can be performed on the pre-assessment for the impact risk implemented at an earlier stage; the pre-assessment method can be revised; the reliability of the pre-assessment is enhanced; a guiding function for making the rock burst controlling measure at the earlier stage is achieved.

Description

technical field [0001] The invention relates to a comprehensive evaluation method, in particular to a comprehensive evaluation method for actual measurement of impact risk, and belongs to the technical field of prevention and control of rock burst disasters. Background technique [0002] With the deepening of coal mines and the deterioration of geological and mining conditions, rock burst disasters are becoming more and more serious. The risk of rock burst is an important index to evaluate the risk degree of rock burst. At present, the commonly used method for evaluating the risk degree of rock burst is the pre-evaluation method of the risk of rock burst. Evaluation→Division of impact risk areas→Monitoring and early warning→Pressure relief and danger relief→Effect inspection, mainly based on the pre-mining geological conditions and mining technical conditions using the comprehensive index method for pre-evaluation. The impact risk pre-evaluation is the evaluation carried ou...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 何岗赵从国刘思佳黄志彬刘兆义张卫东邹永德石长坤顾新泽程伟
Owner XUZHOU MINING BUSINESS GROUP
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