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Concrete Component of the Rotational Ductility of Reinforced Concrete Flexural Members
Reinforced concrete flexural members inherently rely on member ductility to ensure a safe design by allowing for: redistribution of applied stress resultants; quantification of drift for determining magnified moments; and for the absorption of seismic, blast and impact energy. Structural engineers have recognised that much of the member rotation is concentrated in a small region referred to as the plastic hinge and because of the complexity of the problem this has been quantified mainly through testing. In this paper, a new plastic hinge approach that is based on well established shear-friction theory is postulated. The generic behaviour of this novel shear-friction hinge is shown to agree with that exhibited in tests. Furthermore, the shear-friction hinge explains the mechanics of the benefits of confinement, such as that due to FRP encasement or steel stirrups, on the rotational capacity of RC members.
Concrete Component of the Rotational Ductility of Reinforced Concrete Flexural Members
Reinforced concrete flexural members inherently rely on member ductility to ensure a safe design by allowing for: redistribution of applied stress resultants; quantification of drift for determining magnified moments; and for the absorption of seismic, blast and impact energy. Structural engineers have recognised that much of the member rotation is concentrated in a small region referred to as the plastic hinge and because of the complexity of the problem this has been quantified mainly through testing. In this paper, a new plastic hinge approach that is based on well established shear-friction theory is postulated. The generic behaviour of this novel shear-friction hinge is shown to agree with that exhibited in tests. Furthermore, the shear-friction hinge explains the mechanics of the benefits of confinement, such as that due to FRP encasement or steel stirrups, on the rotational capacity of RC members.
Concrete Component of the Rotational Ductility of Reinforced Concrete Flexural Members
Oehlers, Deric J. (Autor:in) / Ali, M.S. Mohamed (Autor:in) / Griffith, Michael C. (Autor:in)
Advances in Structural Engineering ; 11 ; 281-291
01.06.2008
11 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Concrete Component of the Rotational Ductility of Reinforced Concrete Flexural Members
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