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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.34 No.3
- 발행연도
- 2020.1
- 수록면
- 423 - 440 (18page)
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초록· 키워드
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In the recent years, steel box girder bridges have been extensively used due to high bending stiffness, torsional rigidity, and rapid construction. Therefore, researches related to this girder bridge have been widely conducted. This paper investigates the effect of residual stresses and geometric imperfections on the load-carrying capacity of steel box girder bridges spanning 30 m and 50 m. A three – dimensional finite element model of the steel box girder with a closed section was developed and analyzed using ABAQUS software. Nonlinear inelastic analysis was used to capture the actual response of the girder bridge accurately. Based on the results of analyses, the superimposed mode of webs and flanges was recommended for considering the influence of initial geometric imperfections of the steel box model. In addition, 4% and 16% strength reduction rates on the load – carrying capacity of the perfect structural system were respectively recommended for the girders with compact and non-compact sections, whose designs satisfy the requirements specified in AASHTO LRFD standard. As a consequence, the research results would help designers eliminate the complexity in modeling residual stresses and geometric imperfections when designing the steel box girder bridge.
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참고문헌 (35)
참고문헌 신청
AASHTO LRFD / 2012 / AASHTO LRFD Bridge design specifications C.U.S. Units / American Association of State Highway Transportation Officials
AASHTO / 2016 / Guidelines to Design for Constructability / American Association of State Highway Transportation Officials / National Steel Bridge Alliance, AASHTO Executive Committee
2014 / ABAQUS 6.14 Analysis User's Guide, ABAQUS 6.14 / Dassault Systemes
2016 / ANSI / AISC 360-16, Specification for Structural Steel Buildings / An American National Standard / American Institute of Steel Construction
Selcuk Bas / 2019 / Lateral torsional buckling of steel I-beams: Effect of initial geometric imperfection / Steel and Composite Structures, An International Journal 30(5):483~492
AASHTO / 2016 / Guidelines to Design for Constructability / American Association of State Highway Transportation Officials / National Steel Bridge Alliance, AASHTO Executive Committee
2014 / ABAQUS 6.14 Analysis User's Guide, ABAQUS 6.14 / Dassault Systemes
2016 / ANSI / AISC 360-16, Specification for Structural Steel Buildings / An American National Standard / American Institute of Steel Construction
Selcuk Bas / 2019 / Lateral torsional buckling of steel I-beams: Effect of initial geometric imperfection / Steel and Composite Structures, An International Journal 30(5):483~492
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