工程爆破

2000, (01) 47-48+59-49

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砖结构烟囱爆裂口与支撑体的关系对后坐影响
INFLUENCE OF CUT-TO-SUPPORTER RELATION ON BLASTING RECOIL OF A BRICK-STRUCTURAL CHIMNEY

毛益松,刘义新
MAO Yi song LIU yi xin (National University of Defense Technology, PLA, Changsha, Hunan 410072,China)

摘要(Abstract):

爆破拆除的这座烟囱高度 30m ,砖砌结构 ,筒体厚 37cm ,在距地面 5m处爆破拆除 ,烟囱倒向的反侧紧连平房等建筑物 ,且需要保护。本文叙述了烟囱控爆方案和爆破参数设计 ,就烟囱爆裂口与支撑体的关系对后坐的影响谈了笔者一些肤浅的认识
A brick structural chimney with 30m heigh and 37cm wall thickness was demolished by controlled blasting with a cut at 5m from the ground. The opposite of collapsing direction of the chimney was a single storey house and other buildings which must be protected. The scheme and parameters of the controlled blasting were presented and the influence of the cut tosupporter relation on blasting recoil was briefly discussed in this paper.

关键词(KeyWords): 烟囱;爆破拆除;爆裂口
Chimney; Blasting demolition; Blasting cut

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 毛益松,刘义新
MAO Yi song LIU yi xin (National University of Defense Technology, PLA, Changsha, Hunan 410072,China)

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