工程爆破

2002, (03) 36-38

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微倾坍塌爆破拆除框架结构厂房
BLASTING DEMOLITION OF A FRAME FACTORY HOUSE WITH TINY INCLINE AND COLLAPSING

黎兴龙,沈德泉
LI Xing long,SHEN De quan (First Scientific Research Institute of Corps of Engineers of General Equipment,PLA, Wuxi,Jiangsu 214035,China)

摘要(Abstract):

高约 2 3m的待拆厂房 ,其一侧位于须保护厂房的两根立柱之间 ,相距仅 5 0cm。另一侧 8 5m之外也是须保护的厂房。在此复杂条件下 ,采用了先使厂房微倾斜尔后定向倒塌的方案。通过合理确定整体微倾角度、柱底破坏高度、微差时间和孔网参数 ,成功地爆破拆除了框架结构厂房 ,被保护的建筑物未受任何影响
A side of a 23m height factory house to be demolished is located between two pillars of the building necessary to be protected,with the space of only 50cm Yet,another building necessary to be protected is 8 5m out of its opposite In so complicated conditions,the blasting scheme of tiny inclining followed by directional collapsing is adopted Through reasonable determination of tiny inclining angle,cut height,delayed interval and hole pattern parameters,the frame factory house is successfully demolished by blasting The buildings to be protected are in good condition

关键词(KeyWords): 拆除爆破;坍塌;框架结构;厂房
Demolition blasting; Collapsing; Frame structrue;Factory house

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作者(Author): 黎兴龙,沈德泉
LI Xing long,SHEN De quan (First Scientific Research Institute of Corps of Engineers of General Equipment,PLA, Wuxi,Jiangsu 214035,China)

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