The difference of hole springing,hole loading and applicable condition are given by contrasting horizontal-hole springing blasting with shear-hole springing blasting.

• 对平孔药壶爆破与竖孔药壶爆破在扩壶工艺、装药作业等方面进行了比较,提出了这两种形式药壶爆破的适用条件。