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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.33 No.3
- 발행연도
- 2019.1
- 수록면
- 347 - 356 (10page)
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초록· 키워드
오류제보하기
Most of the recent studies have improved the efficiency of FRP jackets for increasing the compressive strength, shear strength, and ductility of reinforced concrete columns; however, the influence of FRP jackets on the flexural capacity is slight. Although new methods such as NSM (near surface mounted) are utilized to solve this problem, yet practical difficulties, behavior dependency on adhesives, and brittle failure necessitate finding better methods. This paper presents the results of an experimental study on the application of fiber-reinforced polymer fastened mechanically to the concrete columns to improve the flexural capacity of RC columns. For this purpose, mechanical fasteners were used to achieve the composite behavior of FRP and concrete columns. The experimental program included five reinforced concrete columns retrofitted by different methods using FRP subjected to constant axial compression and lateral cyclic loading. The experimental results showed that the use of the new method proposed in this paper increased the flexural strength and lateral load capacity of the columns significantly, and good composite action of FRP and RC column was achieved. Moreover, the experimental results were compared with the results obtained from the analytical study based on strain compatibility, and good proximity was reached.
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참고문헌 (24)
참고문헌 신청
1991 / ACI 211.1-91, Standard practice for selecting proportionfor normal, heavy weight and mass concrete / American Concrete Institute
2014 / ACI 318-14, Building code requirements for structural concrete, commentary on building code requirements for structural concretes / American Concrete Institute
2005 / ACI 440.2R-02, Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures
Afefy, H. M. E. D. / 2013 / Rehabilitation of defected RC stepped beams using CFRP / Eng. Struct 49:295~305
Atea, R. S. / 2017 / Torsional behavior of reinforced concrete T-beams strengthened with CFRP strips / Case Studies Constr. Mater 7:110~117
2014 / ACI 318-14, Building code requirements for structural concrete, commentary on building code requirements for structural concretes / American Concrete Institute
2005 / ACI 440.2R-02, Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures
Afefy, H. M. E. D. / 2013 / Rehabilitation of defected RC stepped beams using CFRP / Eng. Struct 49:295~305
Atea, R. S. / 2017 / Torsional behavior of reinforced concrete T-beams strengthened with CFRP strips / Case Studies Constr. Mater 7:110~117
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