Analysis of perforation blasting condition in Yimin Open-pit Mine
Author(s): LI Yueqiang, DUAN Shuyi, LI Wei
Pages: 23-26
Year: 2016 Issue: 8
Journal: Opencast Mining Technology
Keyword: Yimin Open-pit Mine; perforated blasting; shallow hole; frozen layer;
Abstract: This article introduces the basic situation of winter blasting in Yimin Open-pit Mine and the general method of blasting effect evaluation. The author explains the general relation between the drilling efficiency and the rock properties by the method of statistical analysis, and gives the coordination of blasting and excavation. Combined with the production experience and theoretical research, the article lists several methods of reducing the cost of blasting.
Pages: 23-26
Year: 2016 Issue: 8
Journal: Opencast Mining Technology
Keyword: Yimin Open-pit Mine; perforated blasting; shallow hole; frozen layer;
Abstract: This article introduces the basic situation of winter blasting in Yimin Open-pit Mine and the general method of blasting effect evaluation. The author explains the general relation between the drilling efficiency and the rock properties by the method of statistical analysis, and gives the coordination of blasting and excavation. Combined with the production experience and theoretical research, the article lists several methods of reducing the cost of blasting.
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