基于实测建模与微震监测技术的主溜井垮塌特征分析  

Analysis of collapse characteristics of main chute based on measured modeling and microseismic monitoring technology

作　　者：彭林 刘波 操永胜 PENG Lin;LIU Bo;CAO Yong-sheng(Anhui Industrial Vocational and Technical College,Tongling 244000,China;Gannan University of Science and Technology,Ganzhou 341000,China;Tongling Nonferrous Metals Group Holdings Co.,Ltd.,Dongguashan Copper Mine,Tongling 244000,China)

机构地区：[1]安徽工业职业技术学院,安徽铜陵244000 [2]赣南科技学院,江西赣州341000 [3]铜陵有色金属集团控股有限公司冬瓜山铜矿,安徽铜陵244000

出　　处：《世界有色金属》2024年第23期208-210,共3页World Nonferrous Metals

基　　金：安徽省教育厅2019年安徽高校自然科学研究项目《基于C-ALS精准探测与建模技术的采空区稳定性分析研究》(皖教秘科(2019)54号)。

摘　　要：主溜井是矿石转运通道和贮存的重要场所,在矿山生产过程中,下放矿石对溜井的冲击及地压作用的影响,溜井岩壁容易发生垮塌破坏,严重影响矿山的安全生产,对于主溜井垮塌范围的精准探测与稳定性分析是矿山安全技术研究的重点与难点问题之一。本文采用三维激光探测系统(VS150)对某矿山主溜井垮塌情况进行多次动态精密探测,结合矿山建模软件建立主溜井的三维实体模型,获取了溜井垮塌边界及体积信息,通过不同时期的垮塌边界及体积对比,了解了主溜井围岩破坏特征;结合矿区IMS微震监测技术,分析了主溜井围岩大震级事件分布规律及应变能释放指标,预测了主溜井稳定性演变规律,初步提出了主溜井处理的建议。The main ore chute is an important transportation channel and storage location for ores.During the mining production process,the impact of ore discharge on the chute and ground pressure can easily cause collapse and damage to the chute rock wall,seriously affecting the safety production of the mine.Accurate detection and stability analysis of the collapse range of the main ore chute is one of the key and difficult issues in mining safety technology research.This article uses a three-dimensional laser detection system(VS150)to conduct multiple dynamic and precise detections of the collapse of the main chute in a certain mine.Combined with mining modeling software,a three-dimensional solid model of the main chute is established,and the boundary and volume information of the collapsed body are obtained.Through comparative analysis of the collapsed body volume at different periods,the characteristics of the surrounding rock failure of the main chute are clarified;Based on the IMS microseismic monitoring technology in the mining area,the distribution law of large magnitude events and strain energy release indicators in the surrounding rock of the main shaft were analyzed,and the stability evolution law of the main shaft was predicted.Preliminary suggestions for the treatment of the main shaft were proposed.

关 键 词：空区探测系统 采空区三维建模 微震监测 稳定性分析 

分 类 号：TD326[矿业工程—矿井建设]