摘要
本文以大黄山矿暗立井破坏为例，对采动引起井筒穿过软弱层面处的应力集中这种普遍现象进行了有限元分析。揭示了井筒变形破坏的力学原因，预测了进一步开采影响及其变形发展趋势。提出了立足长远、标本兼治的暗井保护措施。
Abstract Finite analysis is made of the concentration of stress at the weak bedding plane,a
commonly observed phenominon causing the failure of shaft,by way of the typical Dahuangshan
example to reveal the principle of mechanics
出处
《矿山测量》
1999年第1期9-11,共3页
Mine Surveying
