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/%
①18.39
②20.77
③20.35