The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonatingcharge in open deep-hole large stage is introduced.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
2
To facilitate the fishing or recovery operation, the backoff is usually accomplished by applying reverse torque and detonating an explosive charge inside a selected threaded connection.
为进行打捞或回收钻柱，通常的卸开作业总是采用反扭矩，和在所选用的丝扣连接内引爆炸弹。
3
Based on these conclusions, the influence of axial decoupling coefficient of top-air-decked charge structure and detonating manner on blasting effect is analyzed here.