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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.25 No.5
- 발행연도
- 2020.1
- 수록면
- 383 - 400 (18page)
이용수
초록· 키워드
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Due to higher stiffness to weight, higher corrosion resistance, higher strength to weight ratios and good durability, concrete composite structures provide many advantages as compared with conventional materials. Thus, they have wide applications in the field of concrete construction. This research focuses on the structural behavior of steel-tube CFRP confined concrete (STCCC) columns under axial concentric loading. A nonlinear finite element analysis (NLFEA) model of STCCC columns was simulated using ABAQUS which was then, calibrated for different material and geometric models of concrete, steel tube and CFRP material using the experimental results from the literature. The comparative study of the NLFEA predictions and the experimental results indicated that the proposed constitutive NLFEA model can accurately predict the structural performance of STCCC columns. After the calibration of NLFEA model, an extensive parametric study was performed to examine the effects of different critical parameters of composite columns such as; (i) unconfined concrete strength, (ii) number of CFRP layers, (iii) thickness of steel tube and (iv) concrete core diameter, on the axial load capacity. Furthermore, a large database of axial strength of 700 confined concrete compression members was developed from the previous researches to give an analytical model that predicts the ultimate axial strength of composite columns accurately. The comparison of the predictions of the proposed analytical model was done with the predictions of 216 NLFEA models from the parametric study. A close agreement was represented by the predictions of the proposed constitutive NLFEA model and the analytical model.
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참고문헌 (88)
참고문헌 신청
B. Alfarah / 2017 / New methodology for calculating damage variables evolution in Plastic Damage Model for RC structures / Engineering Structures 132:70~86
Anderson, T. L. / 1995 / Fracture Mechanics: Fundamentals and Applications / CRC Press
ASCE / 1982 / Task Committee on Finite Element Analysis of Reinforced Concrete Structures. State-of-the-art Report on Finite Element Analysis of Reinforced Concrete
Mahmud Ashraf / 2006 / Finite element modelling of structural stainless steel cross-sections / Thin-Walled Structures 44(10):1048~1062
E.J. Barbero / 2013 / Determination of material parameters for Abaqus progressive damage analysis of E-glass epoxy laminates / Composites Part B: Engineering 46:211~220
Anderson, T. L. / 1995 / Fracture Mechanics: Fundamentals and Applications / CRC Press
ASCE / 1982 / Task Committee on Finite Element Analysis of Reinforced Concrete Structures. State-of-the-art Report on Finite Element Analysis of Reinforced Concrete
Mahmud Ashraf / 2006 / Finite element modelling of structural stainless steel cross-sections / Thin-Walled Structures 44(10):1048~1062
E.J. Barbero / 2013 / Determination of material parameters for Abaqus progressive damage analysis of E-glass epoxy laminates / Composites Part B: Engineering 46:211~220
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