工程爆破

2002, (01) 27-30

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100m钢筋砼烟囱和80m砖烟囱定向爆破拆除
DEMOLITION OF 100-METER REINFORCED CONCRETE AND 80-METER BRICK-STRUCTURAL CHIMNEYS BY DIRECTIONAL BLASTING

池恩安,魏兴,温远富
CHI En an,WEI Xing,WEN Yuan fu (Xinlian Blasting Engineering Co Limited,Guiyang,Guizhou 550003,China)

摘要(Abstract):

10 0m钢筋砼烟囱和 80m砖烟囱位于南北向的一直线上 ,相距 42m。由于周围环境条件的限制 ,朝南方向是唯一可供两个烟囱倒塌的方向。因此 ,砖烟囱必须先爆破 ,以便为钢筋砼烟囱的倒塌提供必要的场地。文中论述了爆破切口的设计、爆破参数的确定、预处理以及减震和防护措施等 ;同时提出了一些有益的经验 ,可供类似工程参考。
meter reinforced concrete and 80 meter brick structural chimneys are located on a line of south north direction and the distance between two chimneys is 42m Due to the limited environmental conditions,the southward is the only direction for collapsing of two chimneys Therefore,the brick structural chimney must be firstly blasted so as to provide a necessary field for collapsing of the reinforced concrete chimney In this paper,the design of blasting cut,determination of blasting parameters,pretreatment,vibration reduced and protection measures and others are discussed At the same time,a few of useful experience are put forward,which can be used as a reference for similar projects

关键词(KeyWords): 烟囱;拆除爆破;定向倒塌;爆破切口
Chimney; Demolition blasting; Directional collapsing; Blasting cut

Abstract:

Keywords:

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作者(Author): 池恩安,魏兴,温远富
CHI En an,WEI Xing,WEN Yuan fu (Xinlian Blasting Engineering Co Limited,Guiyang,Guizhou 550003,China)

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