期刊
MATERIALS
卷 14, 期 18, 页码 -出版社
MDPI
DOI: 10.3390/ma14185412
关键词
FRCM; TRM; TRC; fatigue; low-cycle fatigue; high-cycle fatigue; tensile test
类别
资金
- Laboratorio Prove Materiali of the Politecnico di Milano
This study evaluates the response of the tensile properties of PBO FRCM composite to low- and high-cycle fatigue through implementing low-cycle fatigue tests, high-cycle fatigue tests, and post-fatigue tests. The results indicate that the mean stress and amplitude of fatigue cycles affect the specimen behavior and mode of failure.
This paper describes methods, procedures, and results of cyclic loading tensile tests of a PBO FRCM composite. The main objective of the research is the evaluation of the effect of low- and high-cycle fatigue on the composite tensile properties, namely the tensile strength, ultimate tensile strain, and slope of the stress-strain curve. To this end, low- and high-cycle fatigue tests and post-fatigue tests were performed to study the composite behavior when subjected to cyclic loading and after being subjected to a different number of cycles. The results showed that the mean stress and amplitude of fatigue cycles affect the specimen behavior and mode of failure. In high-cycle fatigue tests, failure occurred due to progressive fiber filaments rupture. In low-cycle fatigue, the stress-strain response and failure mode were similar to those observed in quasi-static tensile tests. The results obtained provide important information on the fatigue behavior of PBO FRCM coupons, showing the need for further studies to better understand the behavior of existing concrete and masonry members strengthened with FRCM composites and subjected to cyclic loading.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据