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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.19 No.5
- 발행연도
- 2015.1
- 수록면
- 1,077 - 1,094 (18page)
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초록· 키워드
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This paper presents an experimental study on the effectiveness of simultaneous application of carbon fiber-reinforced polymer (CFRP) and steel jacket in strengthening slender reinforced concrete (RC) column. The columns were 200 mm square cross section with lengths ranging from 1600 to 3000 mm. Ten columns were tested under axial load. The effects of the strengthening technique, slenderness ratio, cross-section area of steel angle and CFRP layer number were examined in terms of axial load-axial strain curve, CFRP strain, steel strip strain and steel angle strain. The experiments indicate that strengthening RC columns with combined CFRP and steel jacket is effective in enhancing the load capacity, ductility and energy dissipation capacity of RC column. Based on the existing models for RC columns strengthened with CFRP and with steel jacket, a design formula considering a slenderness reduction factor is proposed to predict the load capacity of the RC columns strengthened with combined CFRP and steel jacket. The predictions agree well with the experimental results.
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참고문헌 (24)
참고문헌 신청
2002 / Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures / ACI 440.2R-02
Badalament, V. / 2010 / Simplified model for compressive behavior of concrete columns strengthened by steel angles and strips / J. Eng. Mech 136(2):230~238
Bai, Y. L. / 2014 / Cyclic compressive behavior of concrete confined with large rupture strain FRP composites / J. Compos. Constr 18(1):04013025
Campione, G. / 2012 / Load carrying capacity of RC compressed columns strengthened with steel angles and strips / Eng. Struct 40:457~465
Campione, G. / 2012 / Strength and ductility of R.C. columns strengthened with steel angles and battens / Constr. Build. Mater 35:800~807
Badalament, V. / 2010 / Simplified model for compressive behavior of concrete columns strengthened by steel angles and strips / J. Eng. Mech 136(2):230~238
Bai, Y. L. / 2014 / Cyclic compressive behavior of concrete confined with large rupture strain FRP composites / J. Compos. Constr 18(1):04013025
Campione, G. / 2012 / Load carrying capacity of RC compressed columns strengthened with steel angles and strips / Eng. Struct 40:457~465
Campione, G. / 2012 / Strength and ductility of R.C. columns strengthened with steel angles and battens / Constr. Build. Mater 35:800~807
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