Slope disaster monitoring and early warning system in Fushun west open pit mine and its engineering application
SUN Shuwei1，LIU Liu1，ZHENG Mingxin2，HU Jiabing1，DING Hui1，3，ZHONG Shuheng1，JI Yushi3
(1. School of Energy and Mining Engineering，China University of Mining and Technology(Beijing)，Beijing 100083，China；
2. School of Transportation Engineering，East China Jiaotong University，Jiangxi，Nanchang 330000，China；
3. Shenyang Research Institute，China Coal Technology and Engineering Group，Fushun，Liaoning 113112，China)
Abstract：Open pit mines are widely distributed in China，and disasters such as rock collapses and landslides in open pits are very common due to both natural and engineering factors. Open pit slopes often cover a large area with a long service period and therefore their geological conditions can be very complicated. Considering these characteristics，this study takes the Fushun west open pit mine as the engineering background and develops a multiple-dimensional collaborative monitoring and early warning system for open pit slopes using multi-source information fusion technique. The meteorological environment，surrounding surface，open pit slope and the affected infrastructures were determined as the monitoring objects based on the mining location，engineering geological conditions and the distribution characteristics of potential disasters. A series of monitoring indicators reflecting the overall and local deformation characteristics of the open pit slope and external environmental characteristics were selected，and then the multi-dimensional collaborative monitoring system was established，which can implement the full-time monitoring，cyclical monitoring and urgent monitoring of potential hazards for both the open pit slope and surrounding buildings. By analyzing the evolution characteristics of slope disasters in Fushun west open pit，the displacement rate of the slope was taken as an early warning indicator，and thus three warning levels with corresponding threshold values were identified for typical slope hazards. Based on existed geographic information，a multi-parameter，multi-dimension and multi-sequence monitoring database for geological hazards of open pits was constructed using techniques including GIS，the Internet of Things，etc.，and finally，a platform for visualization and early warning of open pit slope hazards was developed. The results show that the multiple-dimensional collaborative monitoring and early warning system can quickly and accurately recognize the potential geological hazards in the mining area and significantly improve the warning efficiency of open pit slope disasters. The findings may provide reference and guidance for the prevention and mitigation of slope disasters at open pit mines in China.
孙书伟1，刘 流1，郑明新2，胡家冰1，丁 辉1，3，仲淑姮1，纪玉石3. 抚顺西露天矿区边坡灾害多源监测预警系统及工程应用[J]. 岩石力学与工程学报, 2024, 43(5): 1124-1138.
SUN Shuwei1，LIU Liu1，ZHENG Mingxin2，HU Jiabing1，DING Hui1，3，ZHONG Shuheng1，JI Yushi3. Slope disaster monitoring and early warning system in Fushun west open pit mine and its engineering application. , 2024, 43(5): 1124-1138.
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2024, Vol. 43 
