1.
This paper briefly intro-duced the practice of longhole blast shaft-formirg method for blind shaft sinking in Tongshan Copper Mine.
本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践。
2.
long hole raising
深孔爆破法天井掘进
3.
Study on Simulation Optimization and Application of Shaft Formation by One Deep-hole Blasting;
深孔爆破一次成井模拟优化与应用研究
4.
Deep Hole Blasting in Hard Rock of No.1 Auxiliary Shaft of Lilou Steel Coal
李楼铁矿1#副井硬岩深孔爆破技术
5.
Research and Application in Combined Shaft Operation of the Deep Bore Blasting Technique
立井混合作业深孔爆破技术研究与应用
6.
Underground Deep Hole Blasting Parameter Optimization in Chengchao Iron Mine
程潮铁矿井下中深孔爆破参数设计优化
7.
Application of Deep Hole Blasting to Shaft Sinking in a Hard Rock-type Uranium Mine in South China
深孔分段爆破成井技术在南方某硬岩型铀矿山充填井掘进中的应用
8.
On the Application of Outer-hole Blast in Medium Length Hole
孔外延期爆破在中深孔爆破中的应用
9.
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine, was obtained.
经过优化研究，得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
10.
Study and practice of reducing loss rate of explosive blown out from underground middle-deep blasting hole
浅谈井下中深孔爆破控制返粉损失率的研究及应用
11.
Research on Mechanics of Charging Structure of Bottom Gas-Space in Deep-hole Blasting Engineering;
中深孔爆破孔底空腔装药机理的研究
12.
Outburst Control Method and Safety Blasting Technology for Seam Opening in Deep Mine Shaft Sinking
深立井揭煤消突方法与安全爆破技术
13.
Middle-Deep Bore Blasting Experimental Study on Hard Rock Tunnel Heading
硬岩巷道掘进的中深孔爆破试验研究
14.
Study on Fragmentation Forecasting for Length Hole Bench Blasting;
中深孔台阶爆破块度分布预测的研究
15.
Middle and Deep Hole Controlled Blasting of Rock Cut in the Complicated Surroundings;
复杂环境下路堑土岩中深孔控制爆破
16.
Main Factor of Affecting the Underground Medium- length Hole Dynamiting Effect
影响地下中深孔爆破效果的主要因素
17.
Application Research on Medium-length Hole Blasting in Hard Rock Drift Excavation
中深孔爆破在硬岩施工中的应用研究
18.
Research on splitting technical of coal bed deep-hole cumulative blasting to improve permeability
煤层深孔聚能爆破致裂增透工艺研究