摘要
本文对王营矿跨采１１１采区上山的矿压显现进行了分析，指出了底板最大主应力及其方向的变化对巷道的影响，并根据底板巷道开始发生采动影响的极限距离，定量给出了底板应力分布的边界范围。
This paper analyses the strata behaviors over 111 district rise extraction inwang ying Coal Mine,and points out the influence of floot maximum Stress and its dirextionchanges on roadways According to the limit distance of floor roadways which begin to takeplace mining effect,the boundary line of floor stress distribution is given out quantitatively.
关键词
跨巷开采
矿山压力
煤矿开采
底板
over roadway extraction,non-pillar roadwery protection,strata be baviors
