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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 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.41 No.2
- 발행연도
- 2021.10
- 수록면
- 223 - 236 (14page)
이용수
초록· 키워드
오류제보하기
The deflection of composite (cellular) beams is important for serviceability purposes. However, the available methods to predict the deflection are inaccurate. This research aims to propose a method for predicting the deflection with improved accuracy. The proposed deflection consists of contributions from overall flexural behavior and Vierendeel bending. In addition to the slip action, a reduction factor for computing the effective moment of inertia is investigated and used to compute the flexural deflection. The Vierendeel deformation was determined based on shear deflection of a virtual cantilever beam. No local composite action is conservatively assumed in the cantilever beam. Over 700 three-dimensional finite element (FE) models were simulated to investigate the reduction factor and limitations of the proposed method. The FE model was validated against 13 experimental load-deflection curves from the literature. The proposed method is suitable for predicting the deflection of composite cellular beams having the spacing ratio 1.35 or higher and the span ratio higher than 5. For such cases, the deflection estimate is from 0.90 to 1.05 times the FE deflection. The web-post deformation and the global shear deflection affect the prediction accuracy. In comparison to other methods, the proposed method is more accurate in predicting the deflection.
목차
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참고문헌 (30)
참고문헌 신청
2010 / ANSI/AISC 360-10 Specification for Structural Steel Buildings / American Institute of Steel Construction
ArcellarMittal / 2008 / ACB Cellular Beams, Edition 2008 / ArcellarMittal
2004 / EN 1992-1-1 Eurocode 2: Design of Concrete Structures. Part 1-1: General Rules and Rules for Buildings
2004 / EN 1994-1-1 Eurocode 4: Design of Steel and Concrete Composite Structures. Part 1.1: General Rules and Rules for Building
Fa-Xing Ding / 2016 / Flexural stiffness of steel-concrete composite beam under positive moment / Steel and Composite Structures, An International Journal 20(6):1369~1379
ArcellarMittal / 2008 / ACB Cellular Beams, Edition 2008 / ArcellarMittal
2004 / EN 1992-1-1 Eurocode 2: Design of Concrete Structures. Part 1-1: General Rules and Rules for Buildings
2004 / EN 1994-1-1 Eurocode 4: Design of Steel and Concrete Composite Structures. Part 1.1: General Rules and Rules for Building
Fa-Xing Ding / 2016 / Flexural stiffness of steel-concrete composite beam under positive moment / Steel and Composite Structures, An International Journal 20(6):1369~1379
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