风景名胜区下铜矿开采地表沉降安全影响研究  

Study on Safety Impact of Surface Settlement in Copper Mining Under Scenic Spot

作　　者：李同鹏 胡崴[1,2,3] 方胜勇 李何林[1,2,3] 娄广文 LI Tongpeng;HU Wei;FANG Shengyong;LI Helin;LOU Guangwen(Sinosteel Maanshan General Institute of Mining Research Co.,Ltd.Maanshan 243000,China;State Key Laboratory of Safety and Health for Metal Mines,Maanshan 243000,China;Huawei National Engineering Research Center of High Efficiency Cyclic Utilization of Metal Mineral Resources Co.,Ltd.,Maanshan 243000,China;Tongling Nonferrous Metals Fenghuangshan Mining Co.,Ltd.,Tongling 244000,China)

机构地区：[1]中钢集团马鞍山矿山研究总院股份有限公司,安徽马鞍山243000 [2]金属矿山安全与健康国家重点实验室,安徽马鞍山243000 [3]华唯金属矿产资源高效循环利用国家工程研究中心有限公司,安徽马鞍山243000 [4]铜陵有色股份凤凰山矿业有限公司,安徽铜陵244000

出　　处：《金属矿山》2020年第12期216-220,共5页Metal Mine

摘　　要：针对地下开采引起的地表沉降问题,结合凤凰山铜矿开采历史及现状,为保障矿区地表凤凰山风景名胜区及建构筑物安全,通过理论计算和数值模拟分析,对凤凰山铜矿充填法开采过程中产生的地表沉降进行综合分析。根据"三带"理论,计算得出了凤凰山铜矿深部开采过程中采空区冒落最大影响高度。利用FLAC3D软件,对矿山历史和未来开采全过程进行了模拟,得出了矿山开采结束后地表垂直位移和水平位移值。根据提取的位移数据和变形计算公式,计算得出了地表风景区建构筑物附近的倾斜、曲率和水平变形值均在相关规范允许值范围之内,可以保障地表风景区和建构筑物安全,为矿山生产和风景区建设安全提供了理论依据。In view of the ground settlement caused by underground mining,combined with the mining history and current situation of Fenghuangshan copper mine,and in order to ensure the safety of Fenghuangshan scenic spot and structures on the surface of the mining area,a comprehensive analysis on the surface subsidence generated in the mining process of Fenghuangshan copper mine by filling method was made through theoretical calculation and numerical simulation analysis.According to " Three Zones" theory,the maximum influence height of goaf caving in deep mining of Fenghuangshan copper mine is calculated. By using FLCA3D software,the whole process of mining history and future mining was simulated,and the vertical and horizontal displacement values of the surface after mining were obtained. According to the extracted displacement data and the deformation calculation formula,the values of inclination,curvature and horizontal deformation near the structures in the surface scenic area are calculated,which are all within the allowable value range of relevant codes,and can guarantee the safety of the surface scenic area and the structures. The study provide a theoretical basis for the safety of mine production and the construction of the scenic area.

关 键 词：地下开采 风景区 地表沉降 安全影响 

分 类 号：TD325.2[矿业工程—矿井建设]