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DOI:
有色金属(矿山部分):2021,73(2):27-31
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高速公路压覆矿体开采地表变形预测
曹易恒1,2,尹贤刚1,李向东1,2,甯瑜琳1
((1.长沙矿山研究院有限责任公司,长沙410012; 2.国家金属采矿工程技术研究中心,长沙410012))
Prediction of surface deformation of overburden orebody mining on expressway
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投稿时间:2020-09-08    修订日期:2020-09-18
中文摘要: 为分析研究高速公路压覆矿体开采对高速公路的影响,采用概率积分法理论计算预测地表移动变形值,并利用3DMine、Midas、FLAC3D等软件,对盘龙铅锌矿矿区高速公路的压覆矿体开采造成的地表移动变形进行数值模拟研究,综合分析理论计算与数值模拟结果,从而判断压覆矿体开采是否会使得高速公路发生破坏。研究结果表明:地表发生最大沉降位移处位于6~10线开采中心正上方;数值模拟与理论计算得出的地表最大倾斜值、最大曲率值、最大水平变形值均满足规程要求,高速公路未发生破坏。
Abstract:In order to analyze and study the influence of the mining of the overburdened ore body of the expressway on the expressway, the probability integral method is used to calculate and predict the surface movement and deformation value, and the 3DMine, Midas, FLAC3D and other software are used to carry out the numerical simulation research on the surface movement and deformation caused by the mining of the overburdened ore body of the expressway in Panlong lead zinc mine area, and the theoretical calculation and numerical simulation results are comprehensively analyzed, so as to judge the surface movement and deformation value Whether the mining of overburden ore body will cause the damage of expressway. The results show that the maximum settlement displacement of the surface is directly above the mining center of line 6-10; the maximum slope value, maximum curvature value and maximum horizontal deformation value of the surface calculated by numerical simulation and theoretical calculation meet the requirements of the regulations, and the expressway has not been damaged.
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曹易恒,尹贤刚,李向东,甯瑜琳.高速公路压覆矿体开采地表变形预测[J].有色金属(矿山部分),2021,73(2):27-31.
CAO Yiheng,YIN Xiangang,LI Xiangdong,NING Yulin.Prediction of surface deformation of overburden orebody mining on expressway[J].NONFERROUS METALS(Mining Section),2021,73(2):27-31.

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