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露天矿山边坡岩体不连续面人工测量所获数据全面详实、准确可靠,但工作效率较低,在平台滑塌、崩塌落石、矿体周边等特殊地点受限而无法测量。该文以大孤山铁矿西北帮为例介绍了一种3D摄影数字图像处理技术—3GSM不接触测量系统。该方法适用于边帮各种环境,借助三维高清立体图像和图像计算处理技术可快速有效地完成边帮岩体不连续面采集测量、计算处理、归纳分组,获得倾向倾角、间距迹长等详细的几何信息,圈定优势不连续面组,为确定岩体类型和质量、不连续面网络模拟、分析判断边帮台阶破坏模式和稳定状况提供可靠的基础数据。
The data obtained from the manual measurement of the surface discontinuities of open pit rock slopes are comprehensive, accurate and reliable, but their work efficiency is low. They can not be measured in special places such as landslides, rockfalls and collapses around the ore body and other special locations. In this paper, taking Dagushan Iron Mine Northwest as an example, this paper introduces a 3D photography digital image processing technology - 3GSM non-contact measurement system. The method is suitable for the edge to help a variety of environments, with the help of three-dimensional high-definition three-dimensional images and image processing technology can quickly and efficiently complete the side of the rock discontinuities collection and measurement, calculation and processing, induction grouping, access to dip angle, Geological information, delineation of discontinuous surface group, in order to determine the type and quality of rock, discontinuous surface network simulation, analysis and judgment edge to help the failure mode and stability of the stage to provide reliable and basic data.