The mechanic affection on the blast hole walls is simply analysed and cracking propagation caused by shaped charge is explained in this paper.
简单分析了聚能爆破装药在孔内爆破的力学效应，阐明了聚能爆破对岩石定向破裂的控制机理。
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.
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。
To investigate the parameters of parallel cut blast without empty holes, an advanced numerical method is used to study the explosion effect of charge in hole perpendicular to a free surface.
为了考查无空孔直眼掏槽爆破参数，采用数值模拟方法研究单自由面垂直炮孔的爆炸作用问题。
The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth (charge length) is increased.
计算表明，炮孔深度(装药长度)增大，爆炸应力波峰值随距离的衰减指数减小。
The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth (charge length) is increased.
计算表明，炮孔深度(装药长度)增大，爆炸应力波峰值随距离的衰减指数减小。
应用推荐