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8 空气介质和水介质间隔装药爆破块度分布

Table 8 Blasting fragmentation distribution of air medium and water medium interval charge

参数 空气介质间隔装药爆破块度分布/% 水介质间隔装药爆破块度分布/% <10 cm 10~30 cm 30~50 cm 50~70 cm >70 cm <10 cm 10~30 cm 30~50 cm 50~70 cm >70 cm 平均值 18.20 25.98 25.26 17.21 13.35 15.54 33.02 27.42 18.79 5.23 图片A占比 19.70 27.98 22.73 16.28 13.31 15.44 35.18 27.18 17.59 4.61 图片B占比 16.70 23.97 27.80 18.13 13.40 15.65 30.86 27.65 19.98 5.86