【摘要】 在某大桥桥头广场石方控制爆破开挖工程,采取中深孔结合浅眼爆破方式,不仅满足一次爆破完成,而且达到有效控制爆破爆碎块度要求,同时爆破震动和爆破飞石也得到了有效的控制。更多还原

【Abstract】 The application of controlled blasting in a bridge charge square excavation project is introduced in this article, the mid-hole and deep-hole blasting manner combining the shallow-hole manner are adopted. The blasting is once-through penformed, the fragmentation is controlled efficiently, meanwhile, the viberation and the fly-rock are effeciently controlled.更多还原