煤和半煤岩巷中深孔爆破参数与全断面一次起爆的研究

Study of middle deep-hole blasting parameter and whole fracture one-time blasting in the coal & half-coal rock alley

主要阐述煤、半煤岩巷中深孔控制爆破参数和全断面一次起爆,确定出合理的装药结构、起爆时差与顺序,获得良好的爆破效果和经济效益。

The author mainly describes the middle , deep-hole blasting parameter and whole-fracture one-time blasting in the coal & half-coal rock alley, in order to get a reasonable structure of filling dynamite,time difference and order of blasting,and excellent blasting effect & economic benefit.