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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.26 No.2
- 발행연도
- 2018.1
- 수록면
- 151 - 161 (11page)
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초록· 키워드
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The application of carbon fiber reinforced polymer (CFRP) composites for rehabilitation of steel structures has become vital in recent years. This paper presents an experimental program and a finite element (FE) modelling approach to study the effectiveness of CFRP patch for repair of notch damaged circular hollow sectional (CHS) steel beams. The proposed modeling approach is unique because it takes into account the orthotropic behavior and stacking sequence of composite materials. Parametric study was conducted to investigate the effect of initial damage (i.e., notch depth) on flexural performance of the notched beams and effectiveness of the repair system using the validated FE models. Results demonstrated the ability of CFRP patch to repair notched CHS steel beams, restoring them to their original flexural stiffness and strength. The effect of composite patch repair technique on post-elastic stiffness was more pronounced compared to the elastic stiffness. Composite patch repair becomes more effective when the level of initial damage of beam increases.
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참고문헌 (63)
참고문헌 신청
Abdullah, H.A. / 2004 / Repair of Steel Composite Beams with Carbon Fiber-Reinforced Polymer Plates / J. Compos. Construct. 8(2):163~172
Agbomerie, C.O. / 2017 / Wave induced stress profile on a paired column semisubmersible hull formation for column reinforcement / J. Eng. Struct. 143:77~90
Ahmed, W.A.Z. / 2015 / Finite element analysis of square CFST beam strengthened by CFRP composite material / J. Thin-Wall. Struct. 96:348~358
Ahmed, W.A.Z. / 2017 / Rehabilitation and strengthening of high-strength rectangular CFST beams using a partial wrapping scheme of CFRP sheets: Experimental and numerical study / J. Thin-Wall. Struct. 114:80~91
Akbar, I. / 2010 / Derivation of the bond-slip characteristics for FRP plated steel members / J. Construct. Steel Res. 66(8):1047~1056
Agbomerie, C.O. / 2017 / Wave induced stress profile on a paired column semisubmersible hull formation for column reinforcement / J. Eng. Struct. 143:77~90
Ahmed, W.A.Z. / 2015 / Finite element analysis of square CFST beam strengthened by CFRP composite material / J. Thin-Wall. Struct. 96:348~358
Ahmed, W.A.Z. / 2017 / Rehabilitation and strengthening of high-strength rectangular CFST beams using a partial wrapping scheme of CFRP sheets: Experimental and numerical study / J. Thin-Wall. Struct. 114:80~91
Akbar, I. / 2010 / Derivation of the bond-slip characteristics for FRP plated steel members / J. Construct. Steel Res. 66(8):1047~1056
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