GPS monitoring and analysis of ground movement and deformation induced by transition from open-pit to underground mining

查看全文 作　　者：Fengshan [1]Ma;Haijun [1]Zhao;Yamin [1]Zhang;Jie [1]Guo;Aihua [1]Wei;Zhiquan [2]Wu;Yonglong [2]Zhang

机构地区：[1]Key Laboratory of Engineering Geomechanics,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing,100029,China;[2]2Longshou Mine,Jinchuan Group Co.,Ltd.,Jinchang,737100,China

出　　处：《Journal of Rock Mechanics and Geotechnical Engineering》索引2012年第4卷第1期,共6页

基　　金：Supported by the National Natural Science Foundation of China (40972197,41002107, 41030750);the Program of Knowledge Innovation of the Chinese Academy of Sciences (KZCX2-YW-Q03-02) 摘　　要：To trace the potential hazards of open-pit slope in Longshou mine,global positioning system(GPS) is applied to monitoring ground movement and deformation induced by transition from open-pit to underground mining.Through long-term monitoring from 2003 to 2008,huge amounts of data were acquired.Monitoring results show that large-scale ground movement and deformation have occurred in mining area,and the movement area is ellipse-shaped.The displacement boundary of settlement trough is 2.0 km long along the exploratory line,and 1.5 km long along the strike of ore body.GPS monitoring results basically agree with the practical deformation state of open-pit slope.It is indicated that the long-term GPS monitoring is an effective way to understand the mechanism of ground movement and deformation in mine area. 关键词：露天转地下开采地表移动变形 GPS监测露天矿边坡全球定位系统监测结果地面运动潜在危险

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GPS monitoring and analysis of ground movement and deformation induced by transition from open-pit to underground mining

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