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。

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The proposed method provides a scientific and reliable means for the risk assessment of shield tunnel construction cost.

该方法为盾构隧道施工成本的风险评估提供了一种科学和可靠的手段。

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Based on the previous research, lattice girder reinforced shotcrete support is dealt with, and a method is set up to evaluate the safety of this kind of support for a tunnel in construction.

在过去研究成果基础上，建立施工期隧道格栅钢架喷混凝土支护的安全性评价方法。

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