杨建军,黄磊

• 1:南京同大爆破工程有限公司

摘要(Abstract)：

南京市河西青奥公园工程基坑深10.25 m,面积28 300 m~2,采用钢筋混凝土梁支撑系统。为了安全快速地拆除6000 m~3的钢筋混凝土支撑梁,通过在支撑梁混凝土浇筑时预留爆破装药孔、孔内外延期起爆技术、钢管框架为主体的全覆盖防护措施等手段,达到了节省施工成本,增加工程经济效益的目的,取得了较好的爆破及振动控制、飞石和粉尘的防护效果,可为类似爆破工程提供参考。

关键词(KeyWords)： 预留爆破装药孔;孔内外延期;全覆盖防护

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杨建军,黄磊

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