Analysis of perforation blasting condition in Yimin Open-pit Mine
LI Yueqiang
DUAN Shuyi
LI Wei
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.
Keywords：Yimin Open-pit Mineperforated blastingshallow holefrozen layer
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 23-26 )