黄金科学技术 ›› 2022, Vol. 30 ›› Issue (3): 315-323.doi: 10.11872/j.issn.1005-2518.2022.03.176
Jielin LI(),Le GAO,Chengye YANG,Keping ZHOU
摘要:
大型采空区灾害存在突发性与破坏范围大等特点,如何对采空区灾害进行有效的预防和控制是采空区隐患治理的重要工作。以某矿山为背景,利用井下无人机三维激光扫描系统对采空区进行精细探测,并利用Geomagic对模型进行优化,然后利用FLAC3D进行采空区稳定性分析,确定了大型复杂采空区的隐患区域;将圈定的隐患区域与现场采空区实际冒落情况进行对比,验证了采空区空间结构演化结果与数值分析结果相吻合,证实了该数值分析方法的可靠性。最后基于采空区三维激光扫描结果,再次对采空区进行数值分析,重新圈定采空区的隐患区域。研究结果为矿山采空区安全隐患识别和治理措施的制定提供了科学依据。
中图分类号:
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