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논문 기본 정보

자료유형
학술저널
저자정보
Zhuangcheng Fang (Guangdong University of Technology) Haibo Jiang (Guangdong University of Technology) Airong Liu (Guangzhou University) Jiahui Feng (Guangdong University of Technology) Yuanhang Chen (Guangdong University of Technology)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.12 No.5
발행연도
2018.7
수록면
717 - 737 (21page)

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초록· 키워드

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This paper presents the results of recent research on the interface shear behavior of normal weight and lightweight concrete composite T-beams. In the experimental program 12 beams and necessary control cylinders were tested to provide experimental cases with the variables of interface preparation, clamping stress and lightweight slab concrete strength. Compared with 7 equations developed previously, it has been found that those formulas, especially the ones from current AASHTO and ACI design codes, give a conservative theoretical prediction of horizontal shear capacity of composite T-beams. Based on the experimental results, a more accurate equation was developed to predict the interface shear transfer strength of composite concrete T-beam. By comparing the experimental results of previous beam tests and shear-friction push-off tests for different types of concrete with both rough and smooth interface published in literature, it has been found that the proposed formula is reliable in predicting the horizontal shear strength of concrete composite T-beams.

목차

Abstract
1. Introduction
2. Calculation of Interface Shear Stress
3. Experimental Program
4. Experimental Results and Discussion
5. Recommendation
6. Conclusions
References

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