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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.32 No.5
- 발행연도
- 2019.1
- 수록면
- 657 - 670 (14page)
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초록· 키워드
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This paper proposes a one-dimensional fiber beam element model taking account of materially non-linear behavior, benefiting the highly efficient elastic-plastic analysis of girders with shear-lag effects. Based on the displacement-based fiber beam-column element, two additional degrees of freedom (DOFs) are added into the proposed model to consider the shear-lag warping deformations of the slabs. The new finite element (FE) formulations of the tangent stiffness matrix and resisting force vector are deduced with the variational principle of the minimum potential energy. Then the proposed element is implemented in the OpenSees computational framework as a newly developed element, and the full Newton iteration method is adopted for an iterative solution. The typical materially non-linear behaviors, including the cracking and crushing of concrete, as well as the plasticity of the reinforcement and steel girder, are all considered in the model. The proposed model is applied to several test cases under elastic or plastic loading states and compared with the solutions of theoretical models, tests, and shell/solid refined FE models. The results of these comparisons indicate the accuracy and applicability of the proposed model for the analysis of both concrete box girders and steel-concrete composite girders, under either elastic or plastic states.
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참고문헌 (30)
참고문헌 신청
ABAQUS / 2014 / ABAQUS Standard User‟s Manual, Version 6.14 / Dassault Systemes Simulia Corp
Amadio, C. / 2004 / Experimental evaluation of effective width in steel-concrete composite beams / J. Constr. Steel. Res 60(2):199~220
Bathe, K. J. / 2014 / Finite Element Procedures / Prentice Hall
Philopateer F. Boules / 2018 / Shear lag effects on wide U-section pre-stressed concrete light rail bridges / Structural Engineering and Mechanics, An Int＇l Journal 68(1):67~80
Cao, G. H. / 2006 / Mechanical Behaviors Test of RC Continuous Box Girder with Wide Flange / China Journal of Highway and Transport 19(5):46~52
Amadio, C. / 2004 / Experimental evaluation of effective width in steel-concrete composite beams / J. Constr. Steel. Res 60(2):199~220
Bathe, K. J. / 2014 / Finite Element Procedures / Prentice Hall
Philopateer F. Boules / 2018 / Shear lag effects on wide U-section pre-stressed concrete light rail bridges / Structural Engineering and Mechanics, An Int＇l Journal 68(1):67~80
Cao, G. H. / 2006 / Mechanical Behaviors Test of RC Continuous Box Girder with Wide Flange / China Journal of Highway and Transport 19(5):46~52
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