Wen Yu-zhong
Abstract
How to raise blasting efficiency,improve blasting effect,increase drifting footage and ensure forming is a main problem that shoulel be resolved in the blasting working of stone drifting.The technology problems of blasthole depth,cutting blasting,smooth wall blasting,and directional blasting is discussed.
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How to raise blasting efficiency,improve blasting effect,increase drifting footage and ensure forming is a main problem that shoulel be resolved in the blasting working of stone drifting.The technology problems of blasthole depth,cutting blasting,smooth wall blasting,and directional blasting is discussed.
Key concepts: Rock blasting, Engineering, Geotechnical engineering, Mining engineering