EXPERIMENTAL STUDY ON FIBER REINFORCED HIGH PERFORMANCE SCC AND ITS APPLICATION IN TUBBING SEGMENT

机译：纤维增强高性能混凝土的试验研究及其在管段中的应用

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The main purpose of this paper is the investigation of the joint effect of macro fiber and steel rebar on the workability of fresh fiber reinforced high performance self-compacting concrete (FRHPSCC) and the mechanical behaviour of the FRHPSCC tubbing segment. In comparison with the conventional RC tubbing, a safe and economic composite material -FRHPSCC should be verified by means of the new developed testing method in Europe.Fifteen symmetric-inclination beams with various stirrup ratios and fiber contents were tested and the results show that the steel fiber content of 50 kg/m3 can increase the ultimate load with shear reinforcement partially or totally replaced. The combination of steel fibres and steel bars illustrates synergistic response and indicates an optimal choice of reinforcement for SCC tubbing segment.

机译：本文的主要目的是研究宏观纤维和钢筋的联合作用对新鲜纤维增强高性能自密实混凝土（FRHPSCC）的可加工性以及FRHPSCC管段的力学性能。与传统的RC管道相比，应通过欧洲新开发的测试方法来验证安全经济的复合材料FRHPSCC。测试了15条具有不同箍筋比和纤维含量的对称倾斜梁，结果表明： 50 kg / m3的钢纤维含量可以部分或全部代替剪切补强来增加极限载荷。钢纤维和钢筋的组合说明了协同响应，并为SCC管段指示了加固的最佳选择。

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来源
《第二届自密实混凝土设计、性能及应用技术国际研讨会(2nd International Symposium on Design,Performance and Use of Self-Consolidating Concrete SCC'2009-China)》|2009年|534-541|共8页
会议地点 Beijing(CN)
作者
Hekai Liu; Yining Ding;
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作者单位

Institute of Structure Engineering, Dalian University of Technology, China;

Institute of Structure Engineering, Dalian University of Technology, China;

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原文格式 PDF
正文语种 eng
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关键词
FRHPSCC; tubbing segment; workability; mechanical behaviour; symmetric-inclination beams;

机译：FRHPSCC；管段；可加工性；机械性能；对称倾角梁;

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EXPERIMENTAL STUDY ON FIBER REINFORCED HIGH PERFORMANCE SCC AND ITS APPLICATION IN TUBBING SEGMENT

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