7层框剪结构大楼的爆破拆除

BLASTING DEMOLITION OF A 7-STOREYED BUILDING WITH FRAME-SHEAR WALL STRUCTURE

介绍框架剪力墙结构7层大楼的爆破拆除。为了使大楼倾倒并且解体完全,采用了多层布置切口单向连续折叠倾倒方案。文章对爆破方案选择、预处理工作、切口高度计算、爆破参数选取、起爆网路和防护措施等作了比较详细的叙述。作者强调,对于整体性好的建筑物,应通过人力或爆破方法尽可能多地预拆除部分内、外墙和框柱。

Blasting demolition of a 7storeyed building with frameshear wall structure is introducedIn order to make the building collapsed and fully disintegrated,a blasting scheme with cut on every floor and onedirectional continuous fold is adoptedIn this paper,the selection of blasting scheme,the pretreatment operation,the calculation of cut height,choice of blasting parameters,Priming circuit,safety precautions and others are described in detailThe authors stress that for the constructions with good integrity,partial innerwall,outerwall and pillars are demolished, if possible, by manpower or blasting method