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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.3
- 발행연도
- 2019.1
- 수록면
- 231 - 251 (21page)
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초록· 키워드
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In the present study, a numerical and experimental investigation has been carried out on the seismic behavior of RC columns of a bridge which damaged under corrosive environments and retrofitted by various techniques including combined application of CFRP sheets and steel profiles. A novel hybrid retrofitting procedure, including the application of inner steel profiles and outer peripheral CFRP sheets, has been proposed for strengthening purpose. Seven large-scale RC columns of a Girder Bridge have been tested in the laboratory under the influence of simultaneous application of constant axial load and the lateral cyclic displacements. Having verified the finite element modeling, using ABAQUS software, the effects of important parameters such as the corrosion percentage of steel rebars and the number of CFRP layers have been evaluated. Based on the results, retrofitting of RC columns of the bridge with the proposed technique was effective in improving some measures of structural performance such as lateral strength degradation and higher energy absorption capability. However, the displacement ductility was not considerably improved whereas the elastic stiffness of the specimens has been increased.
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참고문헌 (56)
참고문헌 신청
AASHTO LRFD / 2012 / Bridge Design Specifications / American Association of State Highway and Transportation Officials
ABAQUS / 2016 / ABAQUS/CAE User’s Manual / Dassault Systèmes Simulia Corp
Abdullah, V. / 2003 / An investigation into the behavior and strength of reinforced concrete columns strengthened with ferrocement jackets / Cement Concrete Compos 25(2):233~242
Jose M. Adam / 2008 / Experimental study of beam-column joints in axially loaded RC columns strengthened by steel angles and strips / Steel and Composite Structures, An International Journal 8(4):329~342
Adam, M. / 2009 / Axially loaded RC columns strengthened by steel casing : finite element modeling / Constr. Build. Mater. J 161:337~348
ABAQUS / 2016 / ABAQUS/CAE User’s Manual / Dassault Systèmes Simulia Corp
Abdullah, V. / 2003 / An investigation into the behavior and strength of reinforced concrete columns strengthened with ferrocement jackets / Cement Concrete Compos 25(2):233~242
Jose M. Adam / 2008 / Experimental study of beam-column joints in axially loaded RC columns strengthened by steel angles and strips / Steel and Composite Structures, An International Journal 8(4):329~342
Adam, M. / 2009 / Axially loaded RC columns strengthened by steel casing : finite element modeling / Constr. Build. Mater. J 161:337~348
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