Abstract:
In order to predict the rock burst tendency of deep rock mass in Xiling mining area of Sanshandao gold mine, the internal and external causes of rock burst are considered comprehensively in this paper, eight evaluation indexes are selected from three aspects:mechanical properties of rock, stress state of surrounding rock and geological conditions of surrounding rock, through the geological drill core rock burst tendency test, the single index evaluation results of rock burst tendency is obtained.At the same time, the entropy weight-TOPSIS method is introduced to establish the multi-index comprehensive evaluation system of rock burst, and the rock burst tendency of drill area rock mass is predicted comprehensively.The research shows that the rock mass at each measure point of 3 drills has a certain rock burst tendency, in especial, the rock burst tendency of 1 200 m, 1 500 m and 2 300 m in ZK88-18 drill is strong rock burst.The control and management of rock burst disaster should be strengthened in engineering construction for the deep rock with good integrity.