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Research on the Fatigue Flexural Performance of RC Beams Attacked by Salt Spray

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Abstract

The fatigue flexural performance of RC beams attacked by salt spray was studied. A testing method involving electro osmosis, electrical accelerated corrosion and salt spray was proposed. This corrosion process method effectively simulates real-world salt spray and fatigue loading exerted by RC components on sea bridges. Four RC beams that have different stress amplitudes were tested. It is found that deterioration by corrosion and fatigue loading reduces the fatigue life of the RC and decreases the ability of deformation. The fatigue life and deflection ability could be reduced by increasing the stress amplitude and the corrosion duration time. The test result demonstrates that this experimental method can couple corrosion deterioration and fatigue loading reasonably. This procedure may be applied to evaluate the fatigue life and concrete durability of RC components located in a natural salt spray environment.

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Authors and Affiliations

  1. Ningbo Institute of Technology, Zhejiang University, Ningbo, 315100, China

    Jiang-hong Mao, Wei-liang Jin, Jun Zhang & Xi-xi Wu

  2. Zhejiang Institute of Communications, Hangzhou, 311112, China

    Fang-yuan Xu

  3. Institute of Structural Engineering, Zhejiang University, Hangzhou, 310058, China

    Wei-liang Jin, Xi-xi Wu & Cai-sheng Chen

Authors
  1. Jiang-hong Mao
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  2. Fang-yuan Xu
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  3. Wei-liang Jin
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  4. Jun Zhang
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  5. Xi-xi Wu
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  6. Cai-sheng Chen
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Correspondence to Fang-yuan Xu.

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Mao, Jh., Xu, Fy., Jin, Wl. et al. Research on the Fatigue Flexural Performance of RC Beams Attacked by Salt Spray. China Ocean Eng 32, 179–188 (2018). https://doi.org/10.1007/s13344-018-0019-8

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  • DOI: https://doi.org/10.1007/s13344-018-0019-8

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