酒钢集团西沟矿东山头硐室爆破

为满足酒钢集团西沟矿扩能改造项目工程要求,在复杂地质、地形及周围环境条件下,采用了双层硐室条形药包布置、延时起爆的硐室爆破技术。针对不同地形条件,采用不同的最小抵抗线爆破参数,取得了理想的爆破效果。工程实践证明,只要爆破参数合理、安全防护得当,硐室爆破技术可以在复杂地质、地形及周围环境条件下推广应用。

CHAMBER BLASTING OF THE EAST MOUNTAIN IN XIGOU MINE OF JIUQUAN IRON & STEEL GROUP

To meet the requirement of the revamp project of capacity expansion of Xigou mine of Jiuquan Iron & Steel Group,chamber blasting technique of two-layer chamber linear charge and millisecond delay initiation was adopted under the complicated geology,topography and surrounding conditions.Various blasting parameters were employed in accordance with topography.Ideal blasting effect was achieved.The practice of the project proved that chamber blasting could be popularized in the complicated geology,topography and surrounding conditions as long as blasting parameters were reasonable and safety protections were proper.