V-shaped notch blasting is that cutting slots with certain depth along axis -direction of the hole is determined according to the blast-crazing, and then load uncoupled charge and detonation.

• V形刻槽爆破是指在炮孔孔壁上按爆破开裂方向,切出一定深度的轴向对称V形槽,采用不耦合装药结构进行的一种断裂控制爆破。