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5 爆破块度评价指标及参数

Table 5 Evaluation index and parameters of blasting fragmentation

间隔条件 拟合值 X0 n R2 d50/m d90/m dmax/m d90/d50 F-W-0 8.13 9.86 10.2 1.18 10.20 3.067 0.980 F-W-0.5 8.12 9.35 9.58 1.15 9.58 4.185 0.966 F-W-1.0 7.55 9.41 10.05 1.25 10.05 2.348 0.990 LX-1.0 8.33 10.25 10.46 1.23 10.46 3.220 0.980