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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.39 No.4
- 발행연도
- 2021.1
- 수록면
- 419 - 433 (15page)
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초록· 키워드
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In composite structures, shear connectors are crucial components to resist the relative slip between the steel and concrete, and thereby to achieve the composite actions. In the service stage, composite structures are usually in elastic state, so the elastic stiffness of the shear connection is a quite important parameter in the structural analysis of composite structures. Nevertheless, the existing studies mainly focus on the load-slip relationship rather than the tangent stiffness at the initial elastic stage. Furthermore, when composite beams subjected to torque or local load, shear connections are affected by both tensile force and shear force. However, the stiffness of shear connections under combined effects appears not to have been discussed hitherto. This paper investigates the initial elastic stiffness of stud connections under combined effects of biaxial forces. The initial expression and the relevant parameters are obtained by establishing a simplified analytical model of the stud connection. Afterwards, parametric finite element analysis is performed to investigate the effects of the relevant factors, including the stud length, stud diameter, elastic modulus of concrete, elastic modulus of steel and volume ratio of reinforcement. The feasibility of the proposed modelling has been proved by comparing with sufficient experimental tests. Based on the analytical analysis and the extensive numerical simulations, design equations for predicting the initial elastic stiffness of stud connections are proposed. The comparison between the equations and the data of finite element models demonstrates that the equations are accurate enough to serve for engineering communities.
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참고문헌 (65)
참고문헌 신청
AASHTO / 2004 / AASHTO-LRFD bridge design specifications / American Association of State Highway and Transportation Officials
Ghenam Abada / 2019 / Simulations of push-out tests: influence of several parameters and structural arrangements / Proceedings of the Institution of Civil Engineers - Structures and Buildings 172(5):340~357
Li An / 1996 / Push-out tests on studs in high strength and normal strength concrete / Journal of Constructional Steel Research 36(1):15~29
Huiyong Ban / 2016 / Available rotation capacity of composite beams with high-strength materials under sagging moment / Journal of Constructional Steel Research 118:156~168
K. Baskar / 2002 / Finite-Element Analysis of Steel–Concrete Composite Plate Girder / Journal of Structural Engineering 128(9):1158~1168
Ghenam Abada / 2019 / Simulations of push-out tests: influence of several parameters and structural arrangements / Proceedings of the Institution of Civil Engineers - Structures and Buildings 172(5):340~357
Li An / 1996 / Push-out tests on studs in high strength and normal strength concrete / Journal of Constructional Steel Research 36(1):15~29
Huiyong Ban / 2016 / Available rotation capacity of composite beams with high-strength materials under sagging moment / Journal of Constructional Steel Research 118:156~168
K. Baskar / 2002 / Finite-Element Analysis of Steel–Concrete Composite Plate Girder / Journal of Structural Engineering 128(9):1158~1168
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