工程爆破

1997, (01) 6-8+5

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钢筋混凝土拆除爆破炮孔装药量的确定
COMPUTATION OF CHARGING CAPACITY FOR BOREHOLE IN DEMOLITION BLASTING OF REINFORCED CONCRETE STRUCTURE

左宇军;
Zuo Yujun(Changsha Institute of Mining Research, Changsha 410012)

摘要(Abstract):

本文从分析钢筋混凝土爆破破坏形态出发,对钢筋混凝土的配筋情况,如强度、配筋网规格、钢筋层数等对拆除爆破的影响作了量化处理,在前人的基础上大胆提出了钢筋混凝土加强抛掷爆破的炮孔装药量计算公式,并在实际工程中得到了验证。
On the basis of analysis of splitting forms of reinforced concrete, considering the conditions of compounded reinforcing bar, such as the strength; net standard; layers and so on, the influence on demolition blasting is handled by way of data processing, and a formula, that is tested and verified in practical engineering for computing the charging capacity of borehole in intensified tossing blasting of reinforced concrete, is put forward.

关键词(KeyWords): 钢筋混凝土;拆除爆破;炮孔装药量;等效剪切面积;等效最小抵抗线
Reinforced concrete Demolition blasting Charging capacity of borehole Equivalent shearing area Equivalent burden

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作者(Author): 左宇军;
Zuo Yujun(Changsha Institute of Mining Research, Changsha 410012)

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