Relationship between surface subsidence factor and mining depth of strip pillar mining
来源期刊：中国有色金属学报(英文版)2011年第z3期
论文作者：GUO Wen-bing HOU Quan-lin ZOU You-feng
文章页码：594 - 598
Key words：subsidence factor; strip pillar mining; mining depth; numerical simulation
Abstract: Strip pillar mining is one of the most important technical measures to control mining subsidence in China. Mining depth is one of the most important factors that can affect the mining subsidence in strip pillar mining. Six numerical simulation models were set up to simulate the surface subsidence of strip pillar mining in different mining depths. The mining depth in these six models ranges from 300 to 800 m. The simulated results were compared and analyzed. The formula was established based on the simulated results. It demonstrated that the subsidence of strip pillar mining method is related to mining depth. While the other conditions are the same, the subsidence of strip pillar mining increases with the increase of mining depth by logarithmic relationship.
GUO Wen-bing1, 2, HOU Quan-lin 1, ZOU You-feng2
(1. College of Earth Science, Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
2. School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China)
Abstract:Strip pillar mining is one of the most important technical measures to control mining subsidence in China. Mining depth is one of the most important factors that can affect the mining subsidence in strip pillar mining. Six numerical simulation models were set up to simulate the surface subsidence of strip pillar mining in different mining depths. The mining depth in these six models ranges from 300 to 800 m. The simulated results were compared and analyzed. The formula was established based on the simulated results. It demonstrated that the subsidence of strip pillar mining method is related to mining depth. While the other conditions are the same, the subsidence of strip pillar mining increases with the increase of mining depth by logarithmic relationship.
Key words:subsidence factor; strip pillar mining; mining depth; numerical simulation
