Flexural Fatigue Behaviors of Silicon Carbide Recycled Concrete in Corrosive Environments | Zendy

Jinzhi Zhou | Zendy; Tiantian Fu | Zendy; Chuheng Zhong | Zendy; Kun Peng | Zendy; Ziyang Shuang | Zendy

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Flexural Fatigue Behaviors of Silicon Carbide Recycled Concrete in Corrosive Environments

Author(s) -

Jinzhi Zhou,

Tiantian Fu,

Chuheng Zhong,

Kun Peng,

Ziyang Shuang

Publication year - 2021

Publication title -

advances in civil engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.379

H-Index - 25

eISSN - 1687-8094

pISSN - 1687-8086

DOI - 10.1155/2021/7459777

Subject(s) - weibull distribution , materials science , flexural strength , service life , fatigue testing , stress (linguistics) , structural engineering , silicon carbide , composite material , engineering , mathematics , linguistics , statistics , philosophy

An experimental study on the flexural fatigue behaviors of recycled concrete (RC) and silicon carbide recycled concrete (SiCRC) was conducted. The immersion time was 0 d, 30 d, 60 d, and 90 d in 5% NaCl solution for these two kinds of recycled concrete specimens, respectively, and then, four-point flexural fatigue tests were performed by MTS fatigue testing machine. The fatigue life for varying stress levels ranging from 0.9 to 0.6 was obtained. The fatigue life was given considering the failure probability according to the fatigue life and stress level of the specimen via the logarithmic normal distribution and Weibull distribution, respectively. The relationship between fatigue life and failure probability was also obtained. The fatigue life with failure probability of 1% and 50% was further predicted. The results showed that the fatigue life of RC and SiCRC increased in corrosive environments. The fatigue life of SiCRC is higher than that of RC, and the incorporation of SiCRC can improve the fatigue life of recycled concrete.

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