在钢筋混凝土构筑物的爆破拆除中,由于构件尺寸的原因,所采用的炮孔深度及炮孔距离一般都比较小,同时装药高度与药包直径之比,相差不大,在这种情况下的爆破均应认为是集中药包的爆破法。而在通常情况下,人们却常常延长药包的台阶爆破方法来处理,因而在选取炸药单耗时,总把它看 Blasting demolition of reinforced concrete structures, due to component size reasons, the use of the hole depth and the distance between the hole is generally small, while the height of the charge and the diameter of the kits, or less, in this case Of the blasting should be considered the concentration of kits burst method. Under normal circumstances, however, people often extend the method of step blasting of the kits to deal with them, so when selecting the unit cost of explosives,