short-delay blasting

基本解释

A construction method of combining short-delay controlled blasting with stepped excavation was adopted.
采用微差控制爆破与分步开挖相结合的施工方法。
Small hole diameter, shallow hole and short delay blasting are adopted in the blasting construction of closed-packed cutting hole piles.
采用跳三隔一紧贴的开挖爆破顺序，小孔径，浅孔微差控制爆破进行密排挖孔桩的爆破施工。
This paper describes the technique ways and achievements of large round multi-row short-delay blasting experiments and audies at Shuichang Iorn Mine.
本文介绍了水厂铁矿大区多排微差爆破试验研究的技术途径及成果。