基于3D激光扫描技术的露天矿边坡监测分析研究

An Analysis and Research of Slope Monitoring in Open-pit Mine based on 3D Laser Scanning Technology

露天矿边坡危害直接影响矿山生产安全和经济效益,露天矿山边坡监测技术趋于自动化、高精度、远程、遥感监测方向发展。3D激光扫描技术具有快速高效、非接触测量的优点,较全面获得露天矿山高、陡边坡的点云数据,为边坡稳定性评价、安全生产提供有效、全面的一手数据,具很强的现实意义。通过分析3D激光扫描仪的工作原理、误差产生原因、点云数据拼接与配准等因素对边坡监测数据的影响,利用多时相边坡整体数字高程模型(DEM)叠加分析方法,分析研究该方法在露天矿边坡监测中的应用。

The open pit slope hazard directly affects the mine production safety and economic benefits.The open pit mine slope monitoring technology tends to be automated,high precision,remote to remote sensing monitoring.The 3D laser scanning technology has the advantages of fast,efficient and non-contact measurement,and it comprehensively obtains point cloud data of high and steep slopes of open pit mines.This provides effective and comprehensive first-hand data for slope stability evaluation and safe production,which has strong practical significance.By analyzing the working principle of 3D laser scanner,we learn the cause of error,the influence of point cloud data splicing and registration on the slope monitoring data.The multi-temporal slope Digital Elevation Model (DEM) superposition analysis method is used to analyze the research.The method is applied in the monitoring of open pit slope and some conclusions are drawn for reference.