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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.77 No.5
- 발행연도
- 2021.1
- 수록면
- 691 - 703 (13page)
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초록· 키워드
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Reinforced concrete (RC) beams can be subjected to a complex combination of shear forces (V), torsional moments (T), flexural moments (M) and axial loads (N). This paper proposes a unified approach for the analysis of these elements. An existing model for the analysis of orthogonally reinforced concrete membrane elements subjected to in-plane shear and normal stresses is generalized to apply to the case of beams subjected to the complex loading. The combination of V and T can be critical. Torsion is modelled using the hollow-tube analogy. A direct equation for the calculation of the thickness of the equivalent hollow tube is proposed, and the shear stresses caused by V and T are combined using a simple approach. The development and the evaluation of the model are described. The calculations of the model are compared to experimental data from 350 beams subjected to various combinations of stress-resultants and to the calculations of the ACI and the CSA codes. The proposed model provides the most favorable results. It is also shown that it can accurately model the interaction between V and T. The proposed model provides a unified treatment of shear in beams subjected to complex stress-resultants and in thin membrane elements subjected to in-plane stresses.
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참고문헌 (65)
참고문헌 신청
2019 / ACI 318 , Building Code Requirements for Structural Concrete (ACI 318-19) and Commentary (ACI 318R-19) / American Concrete Institute
Andre, H. / 1987 / Toronto/Kajima study on scale effects in reinforced concrete elements
Badawy, H. E. I. / 1977 / Experimental investigation of the collapse of reinforced concrete curved beams / Mag. Concrete Res 29(99):59~69
Bentz, E. C. / 2006 / Simplified modified compression field theory for calculating shear strength of reinforced concrete elements / J. Am. Concrete Inst. 103:614~624
Bræstrup, M. W. / 1974 / Plastic analysis of shear in reinforced concrete / Mag. Concrete Res 26:221~228
Andre, H. / 1987 / Toronto/Kajima study on scale effects in reinforced concrete elements
Badawy, H. E. I. / 1977 / Experimental investigation of the collapse of reinforced concrete curved beams / Mag. Concrete Res 29(99):59~69
Bentz, E. C. / 2006 / Simplified modified compression field theory for calculating shear strength of reinforced concrete elements / J. Am. Concrete Inst. 103:614~624
Bræstrup, M. W. / 1974 / Plastic analysis of shear in reinforced concrete / Mag. Concrete Res 26:221~228
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