三维激光扫描仪在某铁矿边坡地质调查的应用  

Application of 3D Laser Scanner in Slope Geological Survey of an Iron Mine

作　　者：毛瑞坤 杨子龙 凌嘉鸿 刘倩倩 谢盛青[2] MAO Ruikun;YANG Zilong;LING Jiahong;LIU Qianqian;XIE Shengqing(Mining Industry Company of Shougang Group Co.,Ltd.;China ENFI Engineering Technology Co.,Ltd.)

机构地区：[1]首钢集团有限公司矿业公司 [2]中国恩菲工程技术有限公司

出　　处：《现代矿业》2023年第5期241-245,共5页Modern Mining

摘　　要：某铁矿露天开采已进入末期,为服务某铁矿南采坑境界外矿体开采的需要,通过收集、总结该铁矿现有工程地质资料,采用现场调查、三维激光扫描和软件分析等手段,对矿区工程地质、矿岩物理力学性质及应力分布等进行全面分析研究;并通过数学物理法获取岩体物理力学及地应力参数,主要包括弹性模量、泊松比、黏聚力、内摩擦角、单轴抗压强度、抗拉强度等;运用岩石稳定性分类法对矿区岩体质量分级及稳定性进行综合评价。基于三维激光扫描点云数据以及生成的三维全景图像,实现对露天矿边坡结构面大范围的高效安全调查,掌握矿岩结构面特征与分布规律,为露天坑境界外矿体开采提供参考依据。An iron mine has entered the late stage of open pit mining to serve the needs of ore body mining outside the south pit limit of an iron mine.By collecting and summarizing the existing engineering geo⁃logical data of the iron mine,and by means of field investigation,three-dimensional laser scanning and ad⁃vanced software analysis,the engineering geology of the mining area,the physical and mechanical proper⁃ties of the rock and the stress distribution are analyzed and studied comprehensively.Physical mechanics and ground stress parameters of rock mass were obtained by mathematical physics method,including elastic modulus,Poisson's ratio,cohesion,internal friction angle,uniaxial compressive strength,tensile strength,etc.The classification method of rock stability is used to comprehensively evaluate the quality clas⁃sification and stability of rock mass in mining area.Based on the three-dimensional laser scanning point cloud data and the generated three-dimensional panoramic image,the high efficiency and safety survey on the open-pit slope structural surface in a large range is realized,and the characteristics and distribution rules of the rock structural surface are mastered,which provides a reference for mining the ore-body outside the open-pit boundary.

关 键 词：露天开采 激光扫描 全景图像 边坡结构面 

分 类 号：TN249[电子电信—物理电子学] TD854.6[矿业工程—金属矿开采]