小爆破 [
xiǎo bào pò]
light shot
[矿业] light blasting
- 研究结果表明:深孔爆破产生的地震强度是小台阶爆破的5倍以上;
The research results show that the vibration intensity resulting from deep-hole blasting is over 5 times than that of small-bench blasting; - 近年来实践表明,应用宽孔距小抵抗爆破技术能改善岩石破碎质量,降低大块率,减少二次破碎成本。
Recently, the practice improved that using technique of wide-space small burden blasting can improve the rock crushing, low the big crushing rock rate, reduce the secondary crushing cost. - 针对胡家峪铜矿生产爆破中存在的问题,探讨降低炸药单耗的途径,经现场试验,推广运用了小孔径爆破,取得了良好的经济效益。
In accordance with the problems in production blasting in Hujiayu Copper Mine, the method of lowering the unit explosive consumption is investigated.