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논문 기본 정보

자료유형
학술저널
저자정보
Ahmed A. Mahmoud (Benha University) Belal K. El Gani (Benha University) Tarek S. Mustafa (Benha University) Ahmed N. M. Khater (Benha University)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.19 No.1
발행연도
2025.1
수록면
45 - 65 (21page)

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초록· 키워드

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This research presents an experimental, analytical, and numerical study to predict the flexural behavior of reinforced concrete hidden and wide beams embedded in slabs. The experimentally studied parameters of testing eight specimens include beam depth, beam width, and beam eccentricity from the column. The obtained test results were compared to the predictions of finite element analysis using the ANSYS program. A numerical parametric study was conducted by the ANSYS program to explore other parameters affecting the ultimate flexural strength of beams. The studied parameters encompass concrete compressive strength, steel reinforcement strength, bottom reinforcement ratio, top-to-bottom reinforcement ratio, and web reinforcement ratio. The results revealed that an increase in beam depth led to higher ultimate load and secant stiffness, along with a decrease in deflection. The increase in beam width significantly affected beam depth, resulting in increased ultimate load and secant stiffness and a slight decrease in deflection. The increase in beam eccentricity from the column resulted in a decrease in ultimate load and secant stiffness while increasing the deflection. Comparisons between experimental and numerical results were made against calculations based on the ECP 203-2017 and ACI 318-19 codes, and the comparison yielded satisfactory results.

목차

Abstract
1. Introduction
2. Experimental Program
3. Analysis and Discussion of the Experimental Results
4. Numerical Analysis
5. Parametric Study
6. Analysis of the Numerical Results
7. Analytical Models
8. Conclusion
References

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