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논문 기본 정보

자료유형
학술저널
저자정보
Zhong-Xian Li (Tianjin University) Chun-yu Du (Tianjin University) Xiao Liang (Tianjin Chengjian University) Bo Zhao (Tianjin University)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.14 No.2
발행연도
2020.3
수록면
249 - 263 (15page)

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초록· 키워드

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Reversed cyclic loading tests of two circular hollow RC piers were conducted in this study to investigate the effect of different amounts of inner and outer circular hoops on their flexural behavior. The test results showed that the column with a smaller amount of inner circular hoops presented better flexural response than the as-built column with an equal amount of inner and outer circular hoops. Also, the demand developed on the inner circular hoops was smaller than the outer one within the plastic hinge regions, which verified that using a smaller amount of inner circular hoops was reasonable and effective. By examining the confining stress experienced by the concrete in the radial and circumferential directions based on a detailed theoretical analysis, a modeling approach was proposed to take the confinement effect in circular hollow RC piers into consideration. The proposed modeling approach was validated through comparisons with the experimental study and satisfactory agreement was found.

목차

Abstract
1. Introduction
2. Experimental Study
3. Experimental Results and Discussion
4. Analysis of Hollow Column Response
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2020-532-000540084