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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.30 No.5
- 발행연도
- 2019.1
- 수록면
- 417 - 432 (16page)
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This paper presents the results of axial compression testing and numerical modeling on reinforced concrete columns (RCC) with normal concrete (NC) and high-strength concrete (HSC), RCC confined by glass-fiber reinforced plastic pipes (GRP) casing as well as carbon fiber reinforced polymer (CFRP), The major parameters evaluated in the experiments were the effects of concrete type, GRP casing and CFRP wrapping, as well as the number of CFRP layers. 12 cylindrical RCC (150×600 mm) were prepared and divided into two groups, NC and HSC. Each group was divided into two parts; with and without GRP casing. In each part, one column was without CFRP strengthening layer, a column was wrapped with one CFRP layer and another column with two CFRP layers. All columns were tested under concentrated compression load. Numerical modeling was performed using ABAQUS software and the results of which were compared with experimental findings. A good agreement was found between the results. Results indicated that the utilization of CFRP wrapping and GRP casing improved compression capacity and ductility of RCC. The addition of one and two layer-FRP wrapping increased capacity in the NC group to an average of 18.5% and 26.5% and in the HSC group to an average of 10.2% and 24.8%. Meanwhile, the utilization of GRP casing increased the capacity of the columns by 3 times in the NC group and 2.38 times in the HSC group. The results indicated that although both CFRP wrapping and GRP casing increased confinement, the GRP casing gave more increase capacity and ductility of the RCC due to higher confinement. Furthermore, the confinement effect was higher on NC group.
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참고문헌 (63)
참고문헌 신청
ABAQUS, A. S. / 2011 / User’s manual; Version 6. 11. 1 / Dassaults Systemes Inc
1991 / ACI 211, Standard practice for selecting proportions for normal, heavyweight and mass concrete
Abedini, M. / 2017 / Evaluation of Concrete Structures Reinforced with Fiber Reinforced Polymers Bars : A Review / J. Asian Sci. Res 7(5):165
Aghaee, K / 2013 / Mechanical properties of lightweight concrete partition with a core of textile waste / Adv. Civil Eng :1~7
Almusallam, T. H. / 2007 / Behavior of normal and high-strength concrete cylinders confined with E-glass/epoxy composite laminates / Compos. Part B: Eng 38(5-6):629~639
1991 / ACI 211, Standard practice for selecting proportions for normal, heavyweight and mass concrete
Abedini, M. / 2017 / Evaluation of Concrete Structures Reinforced with Fiber Reinforced Polymers Bars : A Review / J. Asian Sci. Res 7(5):165
Aghaee, K / 2013 / Mechanical properties of lightweight concrete partition with a core of textile waste / Adv. Civil Eng :1~7
Almusallam, T. H. / 2007 / Behavior of normal and high-strength concrete cylinders confined with E-glass/epoxy composite laminates / Compos. Part B: Eng 38(5-6):629~639
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