In this paper the design of mix ratio of steel fiber shotcrete and construction method are presented, which can be taken as a reference for the tunnel reinforcement construction.
文章对喷钢纤维混凝土的混合料配合比设计以及施工方法等进行了分析与阐述，并以此作为隧洞加固处理的一种技术措施加以推广。
It shows that the modified overall calculation method is more scientific and rational and exact on mix ratio design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
The mix design of strong concrete should follow the principles of low water-cement ratio, low sand ratio and high bone-glue ratio, thus the relatively satisfying effect can be achieved.
高强度混凝土的配合比设计应该遵循低水灰比、低砂率、高骨胶比的原则，这样才能达到比较理想的效果。
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