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6 不同装药结构自由面拉伸裂纹面积占比

Table 6 Proportion of free surface tensile crack area of different charge structures

装药结构 自由面拉伸裂纹面积占比/% ① 18.39 ② 20.77 ③ 20.35