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RISS 인기검색어
- 검색키워드
- 저자 : A.Y. Elghazouli (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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Assessment of Capacity Design Approaches for Steel-Framed Structur
A. Y. Elghazouli 한국강구조학회 2005 International Journal of Steel Structures Vol.5 No.5
This paper examines the underlying aproaches and main procedures adopted in the seismic design of stel frames, withconsiderations and capacity design verifications, are appraised. Focus is given to regular configurations of moment-resisting aswell as concentrically-braced frames. Several desirable practices incorporated in Eurocode 8, such as those related to theexplicit definitions and capacity design criteria for dissipative and non-disipative zones, are highlighted. On the other hand,important behavioural aspects that can lead to a departure from the intended capacity design objectives are discussed. Theseidealisations. In particular, it is shown that the implications of drift requirements in moment frames, and the distribution ofductility demand in braced frames, are issues that warrant cautious interpretation and consideration in the design process.
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Modelling of beam-to-column connections at elevated temperature using the component method
B.A. Izzuddin,N.H. Ramli Sulong,A.Y. Elghazouli,N. Ajit 국제구조공학회 2006 Steel and Composite Structures, An International J Vol.6 No.1
In this paper, a nonlinear model is developed using the component method in order to represent the response of steel connections under various loading conditions and temperature variations. The model is capable of depicting the behaviour of a number of typical connection types including endplate forms (extended and flush) and angle configurations (double web, top and seat, and combined top-seat-web) in both steel and composite framed structures. The implementation is undertaken within the finite element program ADAPTIC, which accounts for material and geometric nonlinearities. Verification of the proposed connection model is carried out by comparing analytical simulations with available results of isolated joint tests for the ambient case, and isolated joint as well as sub-frame tests for elevated temperature conditions. The findings illustrate the reliability and efficiency of the proposed model in capturing the stiffness and strength properties of connections, hence highlighting the adequacy of the component approach in simulating the overall joint behaviour at elevated temperature.
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Modelling of beam-to-column connections at elevated temperature using the component method
N.H. Ramli Sulong,A.Y. Elghazouli,B.A. Izzuddin,N. Ajit 국제구조공학회 2010 Steel and Composite Structures, An International J Vol.10 No.1
In this paper, a nonlinear model is developed using the component method in order to represent the response of steel connections under various loading conditions and temperature variations. The model is capable of depicting the behaviour of a number of typical connection types including endplate forms (extended and flush) and angle configurations (double web, top and seat, and combined top-seat-web) in both steel and composite framed structures. The implementation is undertaken within the finite element program ADAPTIC, which accounts for material and geometric nonlinearities. Verification of the proposed connection model is carried out by comparing analytical simulations with available results of isolated joint tests for the ambient case, and isolated joint as well as sub-frame tests for elevated temperature conditions. The findings illustrate the reliability and efficiency of the proposed model in capturing the stiffness and strength properties of connections, hence highlighting the adequacy of the component approach in simulating the overall joint behaviour at elevated temperature.
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