Stability Evaluation of Filling Body Based on G1 Method and Cloud Matter-Element Model
Filling body is the key stope structure of mine filling mining,and its stability evaluation is of great significance to mine production safety.In view of the fuzziness and randomness of the current evaluation methods of filling body stability,a comprehensive evaluation method of filling body stability was proposed.The comprehensive evaluation model of filling body stability was constructed by using the order relation analysis method(G1 method)and the cloud matter-element model.Taking a filling body in Daye Iron Mine as the engineering background,the G1 method was used to determine the indexes'weights,and the cloud correlation degree and comprehensive evaluation vector of each single index were calculated by MATLAB.The stability grade of filling body in Daye Iron Mine was determined by the principle of maximum membership degree.The results show that the stability grade of filling body evaluated by the stability evaluation method of filling body is consistent with the actual situation,which can provide new ideas and new methods for the stability evaluation of filling body in deep metal mines.
Filling body stabilityG1 methodCloud matter-element model