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Flexural behavior of hybrid fiber reinforced high performance concrete deep beam 被引量:2

Flexural behavior of hybrid fiber reinforced high performance concrete deep beam
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摘要 In order to reveal the flexural behavior of hybrid fiber reinforced high-performance concrete deep beam, 16 high-performance concrete deep beams of different fiber volume content have been tested according to the state standards and testing methods. The effects of hybrid fiber on the yield moment and bending bearing capacity of the cross-section have been analyzed, the calculation method for the bending capacity' is discussed and the propositional formula are provided as well. Results shoxv that the flexural properties increased obviously when add ≤1.0% of volume content steel fibers and ≤0.11% of volume content polypropylene fibers in to deep beam. The results are useful to the further amendments of fiber reinforced concrete structure technical regulation (CECS 38:2004).
出处 《Journal of Civil Engineering and Architecture》 2009年第3期39-47,53,共10页 土木工程与建筑(英文版)
基金 This study was supported by Science Foundation for Young Scientists of Hubei Province Educational Committee of China.
关键词 steel fiber polypropylene fiber hybrid fiber deep beam bending capacity 高性能混凝土 混杂纤维增强 弯曲行为 深梁 纤维体积含量 钢筋混凝土结构 混合纤维 截面承载力
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参考文献12

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