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논문 기본 정보

자료유형
학술저널
저자정보
Halil Görgün (Dicle University)
저널정보
국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.29 No.1
발행연도
2018.1
수록면
1 - 22 (22page)

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Multi-storey precast concrete skeletal structures are assembled from individual prefabricated components which are erected on-site using various types of connections. In the current design of these structures, beam-to-column connections are assumed to be pin jointed. Welded plate beam to-column connections have been used in the precast concrete industry for many years. They have many advantages over other jointing methods in component production, quality control, transportation and assembly. However, there is at present limited information concerning their detailed structural behaviour under bending and shear loadings. The experimental work has involved the determination of moment-rotation relationships for semi-rigid precast concrete connections in full scale connection tests. The study reported in this paper was undertaken to clarify the behaviour of such connections under symmetrical vertical loadings. A series of full-scale tests was performed on sample column for which the column geometry and weld arrangements conformed with successful commercial practice. Proprietary hollow core slabs were tied to the beams by tensile reinforcing bars, which also provide the in-plane continuity across the connections. The strength of the connections in the double sided tests was at least 0.84 times the predicted moment of resistance of the composite beam and slab. The secant stiffness of the connections ranged from 0.7 to 3.9 times the flexural stiffness of the attached beam. When the connections were tested without the floor slabs and tie steel, the reduced strength and stiffness were approximately a third and half respectively. This remarkable contribution of the floor strength and stiffness to the flexural capacity of the joint is currently neglected in the design process for precast concrete frames. In general, the double sided connections were found to be more suited to a semi-rigid design approach than the single sided ones. The behaviour of double sided welded plate connection test results are presented in this paper. The behaviour of single sided welded plate connection test results is the subject of another paper.

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참고문헌 (45)

참고문헌 신청
2014 / ACI 318 , Building code requirements for structural concrete and commentary / American Concrete Institute google schola Anderson, D / 1993 / Connections and frame design for economy / New Steel Construction 3:0~33 google schola Bhatt, P / 1985 / Tests on improved beam-to-column connections for precast concrete / ACI Journal 82(6):835~843 google schola 1985 / BS 5950, The Structural use of steelwork in building / British Standards Institute google schola 1985 / BS 8110, The structural use of concrete / British Standards Institute google schola

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