部分13层框剪结构楼房的控制爆破拆除PARTIAL DEMOLITION OF A THIRTEEN-S TOREYED FRAME-SHEAR WALL BUILDING BY CONTROLLED BLASTING
毛益松,肖志军,刘炳琪,周明安,张胜平
MAO Yi song;XIAO Zhi jun;LIU Bing qi;ZHOU Ming an;ZHANG Sheng ping (Militry Engineering Institute;
摘要(Abstract)：
待拆13层钢筋混凝土框剪结构物是病房楼东侧的一部分,东西长11 4m、南北宽18 6m、高45m,剪力墙厚20cm和25cm。采用单向折叠定向倒塌的方案,使结构从南到北逐段微差起爆和解体。文中介绍了爆破切口高度的确定、钻孔爆破参数的选取、爆区的划分、起爆顺序、预处理以及安全防护措施。同时对倒向偏差的原因进行了分析。
The reinforced concrete f rame shear wall building to be demolished is eastern portion of a ward building It has an east to we st length of 11 4 meters,a south to north width of 18 6 meters,a heigh t of 45 meters and shear wall thic kness of 20 or 25 centimeters The one directional fold collapsing sc heme is used to blast and disinteg rate the construction section by section In this paper,determinatio n of blasting cut height,selection of drilling and blasting parameter s,division of blasting areas,priming se quence,pretreatment and safe ty precautions are introduced At t he same time,the causes for the de viation of collapsing direction are analyzed
关键词(KeyWords)：
框架剪力墙结构;爆破拆除;预处理;控制爆破
Frame shear wall structu re; Blasting demolition; Pretreatmen t; Controlled blasting
基金项目(Foundation):
作者(Authors):
毛益松,肖志军,刘炳琪,周明安,张胜平
MAO Yi song;XIAO Zhi jun;LIU Bing qi;ZHOU Ming an;ZHANG Sheng ping (Militry Engineering Institute;