Impact risk evaluation method considering coal seam thickness and coal seam impact tendency

• Main Authors: QU YANLUN, WANG FUQI, JIANG FUXING, LI XIYONG, DONG XUKAI, WANG BO, ZHU SITAO, MENG XIANGJUN, MA YUZHEN
• Format: Patent
• Language: Chinese; English
• Published: 20.12.2019
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

The invention provides an impact risk evaluation method considering coal seam thickness and coal seam impact tendency, and belongs to the technical field of mine safety. The method comprises the stepsof firstly determining an impact risk evaluation object; determining the membership degree Um of the Im to the rock burst possibility; determining the membership degree Uc of the impact tendency to the rock burst possibility; and finally, determining the risk index U and the impact risk level of the rock burst. Compared with a current impact risk evaluation method, the method is more scientific and reasonable, the evaluation result better conforms to the actual situation on site, and certain reference significance is achieved for rock burst prevention and treatment of the extra-thick coal seam driving working face. 本发明提供一种考虑煤层厚度和煤层冲击倾向性的冲击危险性评价方法，属于矿山安全技术领域。该方法首先确定冲击危险性评价对象；然后确定I对"冲击地压可能性"的隶属度U；再确定冲击倾向性对"冲击地压可能性"的隶属度U；最后确定发生冲击地压的危险性指数U和冲击危险等级。该方法较当前冲击危险性评价方法更加科学合理，评价结果也更符合现场实际情况，对特厚煤层掘进工作面冲击地压防治具有一定的借鉴意义。