静力控制爆破技术在公跨铁拱桥拆除施工中的应用

The Application of Static Controlled Blasting Technology in the Demolition Construction of the Public Span Iron Arch Bridge

文章以阳平关至安康铁路增建二线K45+659公跨铁拱桥拆除工程为依托,对静力控制爆破技术的原理、应用要点及应用效果进行了总结分析,重点研究了静力控制爆破技术在营业线及邻近营业线构筑物拆除施工中的应用。该技术方案具有节约天窗点、缩短工期等优势,在拆除工程领域具有显著的推广和应用价值。

Based on the demolition project of K45+659 public span iron arch bridge on the added second line of Yangpingguan-Ankang Railway,this paper summarizes and analyzes the principle,application points and application effects of static controlled blasting technology,and focuses on the application of static controlled blasting technology in the demolition construction of business lines and structures adjacent to business lines.The technical scheme has the advantages of saving skylight points and shortening construction period,which has significant promotion and application value in the field of demolition projects.