桥梁粉碎性拆除爆破技术的应用  

Application of Blasting Technology in Bridge Smash Demolition

作　　者：马浩 MA Hao(China Railway 25th Bureau Group 4th Engineering Co.,Ltd.,Liuzhou 545007,China)

机构地区：[1]中铁二十五局集团第四工程有限公司,柳州545007

出　　处：《价值工程》2024年第3期81-85,共5页Value Engineering

摘　　要：以G72泉州至南宁高速公路广西桂林至柳州段改扩建项目施工需要对苏桥互通式立交桥进行拆除工程为背景,结合周边施工环境和爆破设计施工,阐述了粉碎性拆除爆破技术的应用,介绍了拆除爆破对既有保护对象的安全防护措施。顺利、安全、有效地完成了桥梁的拆除任务,该爆破拆除方法对在需要安全、快速地恢复交通的施工环境中具有较高的参考价值。Based on the background of the demolition of the Su bridge interchange for the G72 Quanzhou to Nanning Expressway between Guangxi Guilin and Liuzhou,and the design and construction of blasting,this paper expounds the application of the crushing demolition blasting technology,and introduces the safety protection measures for the existing protected objects in the demolition blasting.The demolition of the bridge was completed successfully,safely and effectively.The blasting demolition method has a high reference value in the construction environment where traffic needs to be restored safely and quickly.

关 键 词：粉碎性拆除爆破 炮孔参数 装药结构 起爆网路 安全 

分 类 号：U445.6[建筑科学—桥梁与隧道工程]