某尾矿库销库工程回采设计及稳定性研究  

Study on Mining Design and Stability of a Closing the Tailing Pond

作　　者：张众华 曾霄祥 刘涛[1,2,3,4] 曹其光 郭国潇[5] 尹清海 ZHANG Zhonghua;ZENG Xiaoxiang;LIU Tao;CAO Qiguang;GUO Guoxiao;YING Qinghai(Sinosteel Maanshan General Institute of Mining Research Co.,Ltd.;Huawei National Engineering Research Center for Efficient Recycling of Metallic Mineral Resources Co.,Ltd.;State Key Laboratory of Safety and Health for Metal Mines;Key Laboratory of Disaster Prevention and Control for Non-coal Open-pit Mines of National Mine Safety Administration;Hunan Baoshan Nonferrous Metals Mining Co.,Ltd.)

机构地区：[1]中钢集团马鞍山矿山研究总院股份有限公司,安徽省马鞍山市243000 [2]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 [3]金属矿山安全与健康国家重点实验室 [4]非煤露天矿山灾害防控国家矿山安全监察局重点实验室 [5]湖南宝山有色金属矿业有限责任公司

出　　处：《现代矿业》2024年第2期92-95,99,共5页Modern Mining

摘　　要：对销库尾矿库进行尾矿回采,是提高矿产资源利用率的有效途径,而滑坡、溃坝等灾害事故在销库工程中频发。为探究出高效经济的回采方式,以多雨潮湿地区某尾矿库销库工程为例,通过分析技术条件进行方案设计,并基于数值模拟手段进行稳定性分析。结果表明:该尾矿库宜采用坝前干式+库内湿式的联合回采工艺,按由内到外、先库后坝、从上至下、单层开采的顺序进行回采,在回采过程中坝体稳定性均符合安全要求。Tailings mining is an effective way to improve the utilization rate of mineral resources,and disasters such as landslides and dam breaks occur frequently in the project of closing the tailing pond.In or-der to explore the efficient and economical mining method and safety,taking the closing the tailing pond project in a rainy and humid area as an example,the scheme design is carried out through analyzing the technical conditions,and the stability analysis is carried out based on numerical simulation.The results show that the combined stoping process of dry stoping in front of the dam and wet stoping in the reservoir should be adopted.The stoping sequence is carried out according to the principles of from inside to outside,from reservoir to dam,from top to bottom and single-layer mining.The stability of the dam body meets the safety requirements during the stoping process.

关 键 词：销库回采 坝体稳定性 外排式回采 

分 类 号：TD926.4[矿业工程—选矿]