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宽孔距地坪爆破
由于常规地坪爆破难度较大,所以在工程实践中,总结出一种不同于常规爆破的宽孔距爆破技术。宽孔距地坪爆破的关键是炮孔深度 l 等于地坪厚度 δ, 一般炮孔的孔距是常规爆破的2 wide4倍,单位炸药消耗量是常规爆破的1.5wide2倍
expl.
wide space blasting of hard ground
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