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金属矿山 2018, Vol. 47 Issue (04) :58-62    DOI:
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露天矿边坡浅层滑面无损探测技术研究及应用
孙光林1,2,胡江春1,边亚东1,陶志刚2,梁明星3
1.中原工学院建筑工程学院,河南 郑州 450007;2.深部岩土力学与地下工程国家重点实验室,北京 100083;3.煤炭资源与安全开采国家重点实验室,北京 100083
Research and Application of Open Pit Slope Shallow Surface Nondestructive Detection Technology
Sun Guanglin1,2,Hu Jiangchun1,Bian Yadong1,Tao Zhigang2,Liang Mingxing3
1.School of Architecture and Civil Engineering,Zhongyuan University of Technology,Zhengzhou 450007,China;2.State Key Laboratory for Geomechanics & Deep Underground Engineering,China University of Mining & Technology,Beijing 100083,China;3.State Key Laboratory of Coal Resources and Safe Mining,China University of Mining Technology (Beijing) ,Beijing 100083,China

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摘要 为了查清南芬露天铁矿采场下盘334 m平台至370 m平台区域边坡浅层滑坡体发育情况,确定边坡潜在滑动面形态分布特征,采用地质雷达技术和数值分析方法,对334 m平台、346 m平台和370 m平台区域进行了现场探测和数值研究。依据地质雷达调查结果,分析出该区域存在1条连续的破碎带,并获得了相应滑坡体、破碎带和滑床的综合特征剖面图。数值计算结果表明:破碎带对该区域边坡稳定性影响作用强烈,导致边坡稳定性降低,同时破碎带构成了滑体的潜在滑移面。研究结果为南芬露天铁矿滑坡灾害的治理防治提供了重要的基础资料。
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孙光林
胡江春
边亚东
陶志刚
梁明星
关键词露天矿   浅层滑坡   地质雷达   数值模拟   边坡稳定性     
Abstract: In order to ascertain the development of slope shallow landslide from the footwall 334 m platform to 370 m platform in Nanfen open-pit iron mine and determine the speciation of potential slope sliding surface,the ground penetrating radar and the numerical methods are used to detect and analyze platforms of 334 m,346 m and 370 m.Ground penetration radar survey results show that there is a continuous broken belt in this region.The profile for landslide mass,broken zone and slide bed are achieved.Numerical simulation results indicate that broken belt has a strong influence on slope stability in the region and causes a decrease in slope stability.The potential landslide sliding surface is constituted by the crushed zone.The landslide ground penetrating radar detection results provides the basis reference data for prevention and control landslide disaster in Nanfen mine.
KeywordsOpen pit mine   Shallow landslide   Ground penetrating radar   Numerical simulation   Slope stability     
Fund:

基金项目:国家自然科学基金项目(编号:51574296),河南省重点研发与推广专项(科技攻关)项目(编号:182102310749),河南省高等学校重点科研项目(编号:18B560016)。

引用本文:   
孙光林, 胡江春, 边亚东, 陶志刚, 梁明星.露天矿边坡浅层滑面无损探测技术研究及应用[J]  金属矿山, 2018,V47(04): 58-62
SUN Guang-Lin, HU Jiang-Chun, BIAN Ya-Dong, TAO Zhi-Gang, LIANG Ming-Xing.Research and Application of Open Pit Slope Shallow Surface Nondestructive Detection Technology[J]  METAL MINE, 2018,V47(04): 58-62
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