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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.37 No.3
- 발행연도
- 2020.1
- 수록면
- 371 - 390 (20page)
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초록· 키워드
오류제보하기
One of the most common strategies for retrofitting as-built reinforced concrete (RC) columns is to enlarge the existing section through the application of a new concrete layer reinforced by both steel transverse and longitudinal reinforcements. The present study was dedicated to developing a comprehensive model to predict the seismic behavior of as-built RC jacketed columns. For this purpose, a new sectional model was developed to perform moment-curvature analysis coupled by the plastic hinge method. In this analysis-oriented model, new methodologies were suggested to address the impacts of axial, flexural and shear mechanisms, variable confining pressure, eccentric loading, longitudinal bar buckling, and varying axial load. To consider the effective interaction between core and jacket, the monolithic factor approach was adopted to extent the response of the monolithic columns to that of a respective RC jacket strengthened column. Next, parametric studies were implemented to examine the effectiveness of the main parameters of the RC jacket strategy in retrofitting as-built RC columns. Ultimately, the reliability of the developed analytical model was validated against a series of experimental results of as-built and retrofitted RC columns.
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참고문헌 (63)
참고문헌 신청
Abrams, D. P. / 1987 / Influence of axial force variations of flexural behavior of reinforced concrete columns / ACI Struct. J 84(3):246~254
Allington, C. J. / 2003 / Seismic performance of moment resisting frame members produced from lightweight aggregate concrete
Michael P. Berry / 2005 / Practical Performance Model for Bar Buckling / Journal of Structural Engineering 131(7):1060~1070
Bousias, S. / 2004 / Seismic retrofitting of columns with lap-splices through CFRP jackets / Proceedings of the 13th World Conference in Earthquake Engineering
G. Campione / 2014 / RC columns externally strengthened with RC jackets / Materials and Structures 47(10):1715~1728
Allington, C. J. / 2003 / Seismic performance of moment resisting frame members produced from lightweight aggregate concrete
Michael P. Berry / 2005 / Practical Performance Model for Bar Buckling / Journal of Structural Engineering 131(7):1060~1070
Bousias, S. / 2004 / Seismic retrofitting of columns with lap-splices through CFRP jackets / Proceedings of the 13th World Conference in Earthquake Engineering
G. Campione / 2014 / RC columns externally strengthened with RC jackets / Materials and Structures 47(10):1715~1728
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