无间柱连续开采矿块结构参数优化数值模拟  

Numerical Simulation on the Structural Parameter Optimization of Ore Block for Non-pillar Continuous Mining

作　　者：张宝[1] 张友刚[2] 张文艺[2] 李向东[1] 盛佳[1] 

机构地区：[1]长沙矿山研究院有限责任公司,湖南长沙410012 [2]中国黄金集团石湖矿业有限公司,河北石家庄050500

出　　处：《矿业研究与开发》2013年第2期1-4,共4页Mining Research and Development

摘　　要：根据石湖金矿开采技术条件和生产规模,采用三维弹塑性数值模拟软件分析了无轨机械化上向水平分层全尾砂胶结充填采矿方法不同最大控顶高度、超前回采分层数,以及不同矿体厚度的不同采场暴露面积下矿块稳定性,得出合理的矿块结构参数,为石湖金矿井下开采设计、生产和安全管理提供理论指导。According to mining conditions and production ca- pacity of Shihu gold mine, a three- dimensional elasto- plastic numerical simulation software was used to analyze the stability of ore block with different maximum height of emp- tied area,the numbers of pre--mined slice and the different exposed stope areas under different thickness for trackless mechanized upward horizontal slice stoping and filling The more reasonable structural parameters of ore block were re- ceived,which providing a guidance for future mining design, production and safety management in Shihu gold mine.

关 键 词：上向水平分层充填法 无间柱连续开采 矿块结构参 数 数值模拟 

分 类 号：TD853.3[矿业工程—金属矿开采]