某金矿缓倾斜厚大矿体采场回采末期接顶方案研究  

Study on the final mining stage for a gently inclined thick and large ore body in a certain gold mine

作　　者：董国强 于涛 DONG Guo-qiang;YU Tao(Zhaojin Mining Industry Co.,Ltd.,Yantai 265400,Shandong,China;Shandong Guohuan Solid Waste Innovation Technology Center Co.,Ltd.,Yantai 265400,Shandong,China)

机构地区：[1]招金矿业股份有限公司,山东招远265400 [2]山东国环固废创新科技中心有限公司,山东招远265400

出　　处：《世界有色金属》2023年第24期84-86,共3页World Nonferrous Metals

摘　　要：某金矿采矿方法为点柱式上向水平分层充填采矿法,在厚大矿体采场回采末期接顶阶段往往存在上方底柱规格控制难度大、顶板稳固性差、损失率大、充填接顶效果差等问题,急需对接顶方案进行研究。以该矿具有代表性的2608#采场为例,从安全性、回收率等方面对点柱式上向水平分层充填采矿法和进路法进行综合对比分析,最终选择应用进路法,并对安全措施进行了重点分析。The mining method of a certain gold mine is a point pillar upward horizontal layered filling mining method.In the final stage of the mining of thick and large ore bodies,there are often problems such as difficulty in controlling the size of the upper bottom pillar,poor stability of the roof,high loss rate,and poor filling and top connection effect.It is urgent to study the top connection plan.Taking the representative 2608 # stope of the mine as an example,a comprehensive comparative analysis was conducted on the safety,recovery rate,and other aspects of the point pillar upward horizontal layered filling mining method and the drift method.Finally,the drift method was selected and the safety measures were analyzed with emphasis.

关 键 词：采场接顶 回采方案 点柱式上向水平分层充填采矿法 进路法 安全性分析 

分 类 号：TD863[矿业工程—金属矿开采]