Application of extrusion blasting in Majianzigou of Jianlong Mining Area
XIONG Liang
ZHENG Wenqiang
Abstract：In the process of open-pit bench blasting, the extrusion blasting of rock slag pile before the benches is widely used. The article analyzes the rock breaking mechanism of the blasting hole, expounds the rock breaking mechanism of the extrusion blasting. Through reasonably determining the thickness of rock slag pile and blasting parameters, the company applies the extrusion blasting to Majianzigou mining area, which achieves good blasting effect.
Keywords：extrusion blastingthickness of rock slag piledetonating networkblasting parameter
Publication Date：2018-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 69-71,74 )