3座180m高钢筋混凝土烟囱爆破拆除Blasting Demolition of Three 180 m High Reinforced Concrete Chimneys
王希之,吴建源,柴金泉,闫军
摘要(Abstract):
在倒塌空间有限的条件下,3座180 m高钢筋混凝土烟囱采用距离地面25 m的高位爆破切口、复式梯形切口形式定向倒塌控制爆破拆除。通过设置切口初始闭合角为30°、切口高度为3.5 m和切口下沿水平切口圆心角为220°,3座烟囱皆定向准确、倒塌距离小、爆破危害控制效果较好。
关键词(KeyWords): 爆破拆除;高位爆破切口;爆破参数;烟囱
基金项目(Foundation):
作者(Author): 王希之,吴建源,柴金泉,闫军
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