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混凝土混合料设计和配料方法骨料喷射混凝土所用骨料的质量非常重要,且又是常常被忽视。目标是要获得如美国混凝土协会(Acl)506R一85所列喷射混凝土2号级配砂子一小砾石混合物。
Concrete mix design and ingredients approach Aggregate shotcrete quality of aggregate used is very important, and is often overlooked. The goal is to obtain a small gravel mix of Grade 2 sand with shotcrete as listed in Acl 506R-85.