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Shear Behavior of SFRC and SCFRC Beams

机译:SFRC和SCFRC梁的剪切行为

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This paper presents an extensive literature review on the shear behavior of steel fiber reinforced concrete (SFRC) and self-consolidating fiber reinforced concrete (SCFRC) beams. Existing prediction equations proposed by other researchers for predicting the shear resistance of SFRC and SCFRC beams are also summarized. In addition, the paper presents the experimental results from recent tests on four slender SCFRC beams tested by the authors. The results demonstrate the combined use of SCC and steel fibers can improve the shear resistance of reinforced concrete beams and can promote flexural failure and ductility. Various equations proposed in the literature are used to predict the shear capacity of SCFRC beams tested in this experimental series and in the literature. The results demonstrate the need for developing rational and accurate equations for predicting the shear capacity of SCFRC beams.
机译:本文对钢纤维增强混凝土(SFRC)和自固结纤维增强混凝土(SCFRC)梁的抗剪性能进行了广泛的文献综述。还总结了其他研究人员提出的用于预测SFRC和SCFRC梁抗剪强度的现有预测方程。此外,本文还介绍了作者最近对四根细长SCFRC梁进行测试的实验结果。结果表明,SCC和钢纤维的组合使用可以提高钢筋混凝土梁的抗剪强度,并促进弯曲破坏和延展性。文献中提出的各种方程式可用于预测在本实验系列和文献中测试的SCFRC梁的抗剪承载力。结果表明需要开发合理,准确的方程式来预测SCFRC梁的抗剪承载力。

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