滨海矿区地应力与岩石力学参数随埋深的变化规律及其相互关系
王玺,马春德,刘兴全,姜明伟,范玉赟

The Variation Law of In-situ Stress and Rock Mechanical Parameters with Buried Depth in Coastal Mining Area and Their Relationship
Xi WANG,Chunde MA,Xingquan LIU,Mingwei JIANG,Yuyun FAN
图4 不同钻孔岩芯试样的声发射Kaiser效应突变点判断方法
(a)岩芯裂隙发育时的Kaiser效应突变点判断方法;(b)受节理裂隙影响,2次加载难以判断Kaiser效应突变点时的Kaiser效应突变点判断方法;(c)岩石Kaiser效应突变点对应的应力会接近并超过岩石单轴抗压强度时的Kaiser效应突变点判断方法
Fig.4 Judgement methods of acoustic emission Kaiser effect point for different drill core specimens