chute blasting

The reasons for the blockage in Zijinshan Gold Mine ore pass and corresponding precaution technology;

紫金山金矿溜井堵塞原因分析及其预防

Transformation and Research for Safety Vibrating Ore Withdrawal Through Pass;

溜井振动安全出矿改造与研究

Analysis of Deformation Destruction Mechanism of Main Pass in Underground Metal Mines;

地下金属矿山主溜井变形破坏机理分析

The stability of a pass has great effect on the mine production,on which not only the static load but also impact load act.

溜井的稳定与否对矿山的生产有很大影响,既受静载作用,又受冲击荷载作用。

Analysis of Blocking Mechanism of Southern Open Pit Chutes;

南方露天矿山溜井堵塞机理分析

Application of transferring chute in the mine main chute system;

倒运式溜井在矿山主溜井系统的应用

ZT15 type rocket was experimentally developed on the bases of explosive energy cavity effect so as to improve the effectiveness of blowing out the blockage of chute, and it was used to safely blow out the blockage of No.

为了提高ＺＴ型矿用火箭弹处理溜井堵塞的效果，根据炸药爆炸聚能效应原理研制试验成“ＺＴ１５型”矿用火箭弹，并安全的处理尖山铁矿２号溜井堵塞。

Based on excavating waste raises to goaf in rock with well-developed joint and crack partly,a way of deep hole blasting shaft high raise is illustrated by using the burned-cut blasting method and crate blasting method.

针对某铁矿岩体局部节理裂隙发育,需掘进通向采空区的废石溜井,文章介绍了利用掏槽法和漏斗法联合深孔分层爆破形成高溜井的技术,该技术安全高效可靠,可供同类型矿山推广应用。

The results of shot-delay blasting application in aspects of decreasingblasting-shake and ensuring safety of tunnel &drop shaft are discussed.

介绍了孔间、孔内和孔间微差爆破的原理、参数、设计施工要点及在降低爆破震动、保护平硐溜井使用安全方面的应用结果。