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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.5
- 발행연도
- 2019.1
- 수록면
- 569 - 583 (15page)
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초록· 키워드
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Tubular steel sections are widespread all over the world because of their strength and aesthetic appearance. Tubular steel members may exhibit local buckling such as elephant foot or overall buckling under extreme compression load. Recently, external bonding of fiber reinforced polymers (FRP) sheets for strengthening these members has been explored through experimental research. This paper presents three-dimensional nonlinear finite element analysis (FEA) to investigate the structural behavior of strengthening tubular steel members with FRP against local and overall buckling phenomena. Out-of-roundness and out-of-straightness imperfections were introduced to the numerical models to simulate the elephant foot and overall buckling, respectively. The nonlinear analysis preferences such as the integration scheme of the shell elements, the algorithm for solution of nonlinear equations, the loading procedure, the bisection limits for the load increments, and the convergence criteria were set, appropriately enough, to successfully track the sophisticated buckling deformations. The agreement between the results of both the presented FEA and the experimental research was evident. The FEA results demonstrated the power of the presented rigorous FEA in monitoring the plastic strain distribution and the buckling phenomena (initiation and propagation). Consequently, the buckling process was interpreted for each mode (elephant foot and overall) into three sequential stages. Furthermore, the influence of FRP layers on the nonlinear analysis preferences and the results was presented.
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참고문헌 (18)
참고문헌 신청
ANSYS, Inc / 2011 / ANSYS Structural Analysis Guide – Release 14 / SAS IP, Inc.
Mehmet Avcar / 2014 / Elastic Buckling of Steel Columns Under Axial Compression / American Journal of Civil Engineering 2(3):102
M. Batikha / 2009 / Strengthening metallic cylindrical shells against elephant's foot buckling with FRP / Thin-Walled Structures 47(10):1078~1091
P. Bukovsk´ / 2012 / Behaviour of the Tubular Columns Filled by Concrete Subjected to Buckling Compression / Procedia Engineering 40:68~73
J. F. Chen / 2016 / A Simple Remedy for Elephant's Foot Buckling in Cylindrical Silos and Tanks / Advances in Structural Engineering 9(3):409~420
Mehmet Avcar / 2014 / Elastic Buckling of Steel Columns Under Axial Compression / American Journal of Civil Engineering 2(3):102
M. Batikha / 2009 / Strengthening metallic cylindrical shells against elephant's foot buckling with FRP / Thin-Walled Structures 47(10):1078~1091
P. Bukovsk´ / 2012 / Behaviour of the Tubular Columns Filled by Concrete Subjected to Buckling Compression / Procedia Engineering 40:68~73
J. F. Chen / 2016 / A Simple Remedy for Elephant's Foot Buckling in Cylindrical Silos and Tanks / Advances in Structural Engineering 9(3):409~420
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