地应力作用下偏心装药的炮孔裂隙分布

费鸿禄,刘雨,钱起飞,苏强,孙晓宇

Distribution of Blasthole Fracture in Eccentric Charge Under In-situ Stress

Honglu FEI,Yu LIU,Qifei QIAN,Qiang SU,Xiaoyu SUN

图3 空腔外围岩地应力分布图

Fig.3 Stress distribution map of surrounding rock outside the cavity