8层砖混结构楼房的逐段坍塌爆破拆除Explosive Demolition of 8 Floor Brick-concrete Building by Span-by-span Collapse
刘昌邦,王洪刚,贾永胜,韩传伟,周杰
摘要(Abstract)：
介绍了采用逐段定向坍塌法对1栋混合结构楼房的爆破拆除。逐段定向坍塌法爆破楼房可达到楼体结构在空中剪切破坏,逐段触地的爆破效果。该技术有效地减小单响齐爆药量,避免结构整体同时触地,对爆破振动、塌落振动的控制也有很好的效果。该技术还能解决楼体爆破时结构整体支撑不足的问题,使得楼体的支撑区随结构运动而不断变化,减小后侧坍散范围。通过精心的设计与施工,楼房的爆破效果与设计方案吻合,达到预期效果。
关键词(KeyWords)： 爆破拆除;逐段坍塌;塌落振动;防护
基金项目(Foundation):
作者(Author): 刘昌邦,王洪刚,贾永胜,韩传伟,周杰
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