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- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research Vol.25 No.4
- 발행연도
- 2024.8
- 수록면
- 704 - 716 (13page)
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Epoxy-coated rebar is a crucial material in marine construction. To study the bond performance of epoxy-coated rebar withhigh-strength concrete in different structural forms, pull-out tests were conducted on 18 specimens. The failure patterns andbond-slip behavior of different epoxy-coated rebar-high strength concrete specimens were analyzed. Based on these tests,finite element analysis software Abaqus was used to conduct a parametric analysis by varying the rebar diameter and bondlength, investigating the ultimate bond strength of components under different parameters. The results indicate that due tothe relatively low compressive strength of the concrete, specimens exhibited rebar pull-out failure, concrete splitting failure,and rebar fracture failure during the pull-out tests. As the rebar diameter increased, the anchoring capacity of the epoxycoatedrebar improved. Specifically, for every 1 mm increase in diameter, the ultimate bond load increased by 16.9% to23.9%. Additionally, increasing the bond length of the rebar enhanced the ultimate bond strength of the specimens, with theultimate bond load increasing by 13.2% to 24.2% for every 1d increase in length. The conclusions drawn from this researchprovide technical support for the engineering application of epoxy-coated rebar in high-strength concrete.
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