水孔装药下起爆方式对岩体损伤规律的影响研究
郭润泽, 徐振洋, 张海, 刘万通, 张启隆

Study on the Influence of Detonation Mode on Rock Mass Damage Law in Water Hole Charge
Runze GUO, Zhenyang XU, Hai ZHANG, Wantong LIU, Qilong ZHANG
表4 连续装药下岩体内裂纹演化过程
Table 4 Crack evolution process in rock mass under continuous charge
时间/ms起爆方式
正向起爆中心起爆(ZX)反向起爆两端起爆(LD)
距离孔顶0 m(Z-0)距离孔顶2 m(Z-2)距离孔底0 m(F-0)距离孔底2 m(F-2)
1

D=8.9%

D=10.32%

D=13.87%

D=9.4%

D=12.5%

D=14.09%

2

D=17.39%

D=20.08%

D=21.31%

D=20.93%

D=21.35%

D=21.15%

3

D=21.80%

D=27.83%

D=29.20%

D=25.73%

D=29.22%

D=23.45%

4

D=23.86%

D=29.72%

D=31.14%

D=30.24%

D=31.71%

D=27.50%