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Volume 48 Issue 8
Aug.  2020
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ZHANG Kexue, KANG Lei, HE Manchao, LIU Jinhai, CHENG Zhiheng, SUN Jiandong, LI Dong, ZHAO Qifeng, YIN Shuaifeng, SHANGGUAN Feng, WANG Xiaoling. Research on multi-level comprehensive evaluation of coal seam rockburst risk in underground mine[J]. COAL SCIENCE AND TECHNOLOGY, 2020, 48(8): 82-89.
Citation: ZHANG Kexue, KANG Lei, HE Manchao, LIU Jinhai, CHENG Zhiheng, SUN Jiandong, LI Dong, ZHAO Qifeng, YIN Shuaifeng, SHANGGUAN Feng, WANG Xiaoling. Research on multi-level comprehensive evaluation of coal seam rockburst risk in underground mine[J]. COAL SCIENCE AND TECHNOLOGY, 2020, 48(8): 82-89.
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Research on multi-level comprehensive evaluation of coal seam rockburst risk in underground mine

  • 1.Institute of Intelligent Unmanned Mining,North China Institute of Science and Technology，Beijing ，China；2.State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology-Beijing，Beijing ，China；3.Intelligent Control Technology Branch of China Coal Research Institute，Beijing ，China；4.School of Safety Engineering,North China Institute of Science and Technology，Beijing ， China；5.State Key Laboratory of Coal Resources and Mine Safety，China University of Mining & Technology-Beijing，Beijing ，China；6.Key Laboratory of Safety and High-efficiency Coal Mining，Ministry of Education，Anhui University of Science and Technology，Huainan ， China；7.Mine Safety Technology Research Institute of Henan Mingan，Zhengzhou ，China

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  • Available Online: April 02, 2023
  • Published Date: August 24, 2020
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    • Abstract
  • In order to evaluate the coal seam bump risk more reasonably, reduce the mutual influence between different indicators, and avoid inaccurate evaluation results, a comprehensive evaluation model of coal mine seam bump risk using fuzzy comprehensive evaluation method was proposed, and the fuzzy comprehensive evaluation model of coal seam bump risk based on the analytic hierarchy process was proposed. The influence factors of coal seam bump risk based on analytic hierarchy process was obtained, namely: mining depth, impact propensity, coal roof and floor properties, geological structure, mining technology. The evaluation factor set was determined, the fuzzy comprehensive evaluation relation matrix was established, the fuzzy comprehensive evaluation was carried out, and the fuzzy comprehensive evaluation model of mine coal seam impact risk was created; finally, no impact risk, weak impact risk, moderate impact risk and moderate impact risk were made for coal seam impact risk.The quantitative evaluation of the risk improves the accuracy of the evaluation results.Taking a mine evaluation application in Inner Mongolia as an example, the No.2-1 coal seam was selected for fuzzy comprehensive evaluation. By applying the fuzzy comprehensive evaluation model of mine coal seam risk based on analytic hierarchy process, the maximum membership index x=0.43 of No.2-1 coal seam was obtained. The evaluation result is moderate impact risk, which is consistent with the result obtained by the comprehensive index method, indicating that the model can be used to evaluate the impact risk of coal seams in mines. When this model is used in fuzzy comprehensive evaluation of coal seams in mines, more attention is paid to the influence of the interrelationship among the various influencing factors on the results. Therefore, the evaluation results obtained are more reasonable and consistent with the actual situation. The research puts forward a new evaluation angle for the fuzzy comprehensive evaluation of coal seam impact hazard.
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