坚硬岩巷爆破掘进技术的改进

Technological Improvement for Solid Rock Tunnelled of Blasting

主要阐述了平巷掘进中 ,遇坚硬大理岩 ,石英斑岩后。工程技术人员是如何不断改进掏槽眼方式 ,装药结构 ,起爆方式从而获得了良好爆破效果的。

This article introduces the technological improvement in even tunnelling.Our skilled stuff improved the technology for hole of cutting,charging structure and method of blasting,which gained a good effect of tunnelling.