5m distance between pillar base and wall foot, a woorkshop with H load-bearing pillars was successfully demolished by controlled blastingwith hole pattern arranged in the light of the principle of a blasting method with minor burden and wide hole spacing.
5m的情况下,运用小抵抗线宽孔距爆破法原理进行布孔,安全成功地拆除了一工形承载支柱厂房。
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