复杂环境下40m高楼房定向爆破拆除  

DIRECTIONAL BLASTING DEMOLITION OF A 40M-HIGH BUILDING IN COMPLICATED ENVIRONMENT

作　　者：徐天桂[1] 张计璨[1] 赵彭[1] 耿宏银[1] 

机构地区：[1]中国煤科重庆研究院淮北爆破技术研究所,安徽淮北235039

出　　处：《工程爆破》2013年第6期28-30,共3页Engineering Blasting

摘　　要：充分考虑待拆楼房的结构特征和周围环境的局限性,对内墙进行了预处理,设计的爆破切口高度和爆破网路使最后排立柱形成有效的铰接点,开挖了减振沟,实施了安全防护措施,达到了预期的爆破效果。The distance between the building to be demolished and the substation room to be protected is only 2.8m,and the distance to the bus station is 4m.The construction characteristics and the limitation of surroundings of the building were considered.The inner walls were preprocessed,the height of blasting cut and firing circuit were designed and the last row of column formed effective hinged point.The damping ditch was excavated,the safety protection measures were also carried out,and the expected effect was reached.

关 键 词：爆破拆除 定向爆破 后坐 

分 类 号：TU746.5[建筑科学—建筑技术科学]