Study on mining effect laws on tunnel of floor affected by the deep thick coal seam mining pressure
Its an important engineering application that research on laws of mining effect laws on floor under deep thick coal seam mining for reasonable mining terminal line.Based on 1282(3) face of Dingji Mine, advanced abutment pressure was segmented simplified and then the expression of distribution of floor stress was obtained.Stress concentration increment coefficient were calculated by the observation data and advanced mining effect distance was 110 m.Considering that the roadways itself mining effect and long-term creep, at last the reasonable mining terminal line was identified as 177 m by considering geological condition, reference can be provided for roadways maintenance and coal pillar reserved.
stress transmission laws on floor deep thick coal seam safe and efficient mining
ZHANG Zhong-hao CHEN Deng-hong HUA Xin-zhu ZHOU Gen-ru
School of Mining and Safety, Anhui University of Science and Technology , Huainan 232001, China School of Mining and Safety, Anhui University of Science and Technology , Huainan 232001, China;Key
国际会议
International Mining Conference 2014(2014国际采矿论坛)
安徽淮南
英文
141-145
2014-09-19（万方平台首次上网日期，不代表论文的发表时间）