矿柱爆破回采对胶结充填体损伤影响试验研究
宋春辉,李祥龙,王建国,宋飞

Experimental Study on the Effect of Pillar Blasting Mining on the Damage of Cemented Filling Body
Chunhui SONG,Xianglong LI,Jianguo WANG,Fei SONG
图5 损伤度与爆心距的关系
Fig.5 Relationship between damage degree and distance to explosive’s center