Wang Bingwen1, Xu Peng1, Zhang Hao1, Xiong Tingyong1, Song Enxiang2, Zhang Yapeng2. Stability analysis and parameter optimization on the rock mass in Jiuzhanggou gold mine[J]. Journal of Mining Science and Technology, 2018, 3(6): 561-567.
Citation:
Wang Bingwen1, Xu Peng1, Zhang Hao1, Xiong Tingyong1, Song Enxiang2, Zhang Yapeng2. Stability analysis and parameter optimization on the rock mass in Jiuzhanggou gold mine[J]. Journal of Mining Science and Technology, 2018, 3(6): 561-567.
Wang Bingwen1, Xu Peng1, Zhang Hao1, Xiong Tingyong1, Song Enxiang2, Zhang Yapeng2. Stability analysis and parameter optimization on the rock mass in Jiuzhanggou gold mine[J]. Journal of Mining Science and Technology, 2018, 3(6): 561-567.
Citation:
Wang Bingwen1, Xu Peng1, Zhang Hao1, Xiong Tingyong1, Song Enxiang2, Zhang Yapeng2. Stability analysis and parameter optimization on the rock mass in Jiuzhanggou gold mine[J]. Journal of Mining Science and Technology, 2018, 3(6): 561-567.
1College of Resources and Safety Engineering,China University of Mining and Technology ,Beijing 100083,China;2Songxian Shanjin Mining CoLtd,Songxian Henan 471400,China
In order to study the stability analysis method and parameter optimization for the upward drift stope,several indexes representing the engineering quality of rock mass in mines were acquired by the survey of engineering geology,digital photographic,the orebearing rock mechanics experiments etc in Jiuzhanggou gold mineThe 3D digital measurement system(ShapeMetrix3D) is employed to survey and collect the digital information of the plane parameters of rockmass structures that including rock mass occurrence,joint spacing,joint set numbers,volume density of structural plane for 100 m stope at Jiuzhanggou gold mineBased on the digital joint structure characteristics,the RMR system and Qsystem are employed to analyze and classify the stability of stope rockmass,incorperating with drilling peep results and rock mechanics parametersAccording to the acquired indexes,the current span of the testing stope is optimized by using the Mathews stability graph methodIt is concluded that the span of the stope should be strictly controlled below 75 m in order to ensure the stability of stope