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https://hdl.handle.net/2440/51930
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Type: | Journal article |
Title: | Concrete component of the rotational ductility of reinforced concrete flexural members |
Author: | Oehlers, D. Mohamed Sadakkathulla, M. Griffith, M. |
Citation: | Advances in Structural Engineering: an international journal, 2008; 11(3):281-291 |
Publisher: | Multi-science Publishing Co. Ltd. |
Issue Date: | 2008 |
ISSN: | 1369-4332 2048-4011 |
Statement of Responsibility: | Oehlers Deric J., Ali M.S. Mohamed and Griffith Michael C |
Abstract: | 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. |
Keywords: | reinforced concrete concrete ductility rotational capacity shear-friction plastic hinge hinge concrete confinement |
DOI: | 10.1260/136943308785082571 |
Published version: | http://dx.doi.org/10.1260/136943308785082571 |
Appears in Collections: | Aurora harvest 5 Civil and Environmental Engineering publications |
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