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首页> 外文期刊>Magazine of Concrete Research >Flexural fatigue behaviour of concrete under uniaxial and biaxial stress
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Flexural fatigue behaviour of concrete under uniaxial and biaxial stress

机译：混凝土单轴和双轴应力下的弯曲疲劳行为

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摘要

The main objective of this investigation was to study the effect of stress states on the flexural fatigue behaviour of concrete. The fatigue behaviours obtained from different test methods were compared, including the recently developed biaxial flexure test, ASTM C 1550 and four-point bending test. Fourteen specimens were cast and tested for each test method, under both monotonic and repeated loadings. The fatigue strength was compared with those recommended by existing design codes. Test results showed that there were no significant differences in the flexural fatigue behaviours under different stress states (i.e. uniaxial and biaxial). These results suggest that the uniaxial flexural tensile fatigue strength of concrete may be adopted for the design of concrete components subjected to biaxial flexural tensile fatigue loading.
机译：这项研究的主要目的是研究应力状态对混凝土弯曲疲劳行为的影响。比较了从不同测试方法获得的疲劳行为，包括最近开发的双轴弯曲测试，ASTM C 1550和四点弯曲测试。铸造了14个样品，并针对每种测试方法在单调和重复加载下进行了测试。将疲劳强度与现有设计规范推荐的强度进行了比较。测试结果表明，在不同应力状态（即单轴和双轴）下的弯曲疲劳行为没有显着差异。这些结果表明，混凝土的单轴挠曲拉伸疲劳强度可用于承受双轴挠曲拉伸疲劳载荷的混凝土构件的设计。

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  • 来源
    《Magazine of Concrete Research》 |2013年第12期|757-764|共8页
  • 作者

    Jihwan Kim; Chongku Yi; Seung-Jung Lee; Goangseup Zi;

  • 作者单位

    Doctoral Candidate, School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Republic of Korea;

    Assistant Professor, School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Republic of Korea;

    Doctoral Candidate, School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Republic of Korea;

    Associate Professor, School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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