本文简述了多排同段爆破技术在狮子山铜矿的应用情况,以及它的应用条件与规律,分析了岩石爆破过程中的破碎机理,探讨了原生的和再生的节理裂隙对岩石破碎的重要影响及多排同段爆破过程中裂隙发展的特色;指出了集能效应的存在规律及其在多排同段爆破技术中的作用;最后客观地评价了这一爆破技术的应用前景。 This article briefly describes the application of multi-row blasting technology in Shizishan copper mine, its application conditions and laws, analyzes the crushing mechanism during rock blasting, and explores the effect of primary and regenerated joint fractures on rock crushing The important influence and the characteristics of crack development during multi-row blasting; the existence regularity of energy-gathering effect and its role in multi-row blasting; and finally, the application foreground of this blasting technique is objectively evaluated.