框架结构改建天井中的控爆拆除

Rebuilding a Frame Structure to be a Shaft by Controlled Blasting

介绍了钢筋混凝土框架结构中控制爆破改建天井的工程实例,采用端头切割爆破技术和梁柱微差顺序起爆技术方案,使爆破震动和飞石得到严格控制,确保爆破安全,取得较好的爆破效果。

The technical scheme of millisecond cutting blasting for rebuilding the flame structure to be shaft are introduced. The blasting vibration and flyrocks are controlled, and excellent effects are obtained.