露天台阶水介质间隔装药结构优选及对比试验研究
费鸿禄,纪海楠,山杰

Optimization and Comparative Experimental Study of Charge Structure of Water Medium Interval on Open-air Step
Honglu FEI,Hainan JI,Jie SHAN
表7 对比试验爆破参数
Table 7 Blasting parameters of comparative test
间隔介质炸药单耗/(kg·m-3炮孔直径/mm台阶高度/m排距/m孔距/m超深/m布孔方式延期时间
0.3417012571梅花形孔间45 ms,排间124 ms
空气0.3717012571梅花形孔间45 ms,排间124 ms