borehole charge

It'showed that eccentric pressure is produced by eccentric decouple charge blasting on borehole wall.

实验结果表明,偏心不耦合装药在孔壁上形成明显的偏心应力场.

Introduction to the Management of Rapid Construction in Extra Long Tunnel under Hard Rock by Parallel Adit Drilling and Blasting Method Borehole Blasting with Water-couple Charge and Its Application in Tunnel Engineering

浅谈硬岩特长隧道平导钻爆法快速施工的管理水介质耦合钻孔爆破及其在隧道工程中的应用

A preliminary discussion is made on surface charge distribution on the borehole wall and volume charge distribution in the flushed zone in a borehole by using the theoretical results.

应用所得理论结果，对裸眼井井壁的面电荷分布和地层冲洗带内的体电荷分布情况作了初步的探讨。

Borehole Blasting with Water-couple Charge and Its Application in Tunnel Engineering

水介质耦合钻孔爆破及其在隧道工程中的应用