不耦合装药系数对岩体爆破损伤的影响
梁瑞,曹晓睿,周文海,楼晓明,胡才智,王树江

Effect of Uncoupled Charge Coefficients on Rock Blast Damage
Rui LIANG,Xiaorui CAO,Wenhai ZHOU,Xiaoming LOU,Caizhi HU,Shujiang WANG
表2 装药半径为0.2 m时不同方法得到的爆破损伤范围
Table 2 Blast damage range obtained by different methods when the charge radius is 0.2 m
爆破损伤 范围参数参数获取方法数值
粉碎区R1/m公式法:R1=(ρ0v2nK-2γleB82σc)1αrb0.60~1.47
经验值:2~7倍装药半径0.4~1.4
本文方法0.7~1.2
裂隙区R2/m公式法:R2=(ρ0v2nK-2γleB82σc)1αrb1.00~3.87
经验值:10~15倍装药半径2~3
本文方法1.8~2.7