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http://dx.doi.org/10.12989/sem.2010.36.1.057

A reinforced concrete frame element with shear effect  

Valipour, Hamid R. (School of Civil and Environmental Engineering, University of Technology)
Foster, Stephen J. (School of Civil and Environmental Engineering, The University of New South Wales)
Publication Information
Structural Engineering and Mechanics / v.36, no.1, 2010 , pp. 57-78 More about this Journal
Abstract
A novel flexibility-based 1D element that captures the material nonlinearity and second order P-$\Delta$ effects within a reinforced concrete frame member is developed. The formulation is developed for 2D planar frames in the modified fiber element framework but can readily be extended to 3D cases. The nonlinear behavior of concrete including cracking and crushing is taken into account through a modified hypo-elastic model. A parabolic and a constant shear stress distribution are used at section level to couple the normal and tangential tractions at material level. The lack of objectivity due to softening of concrete is addressed and objectivity of the response at the material level is attained by using a technique derived from the crack band approach. Finally the efficiency and accuracy of the formulation is compared with experimental results and is demonstrated by some numerical examples.
Keywords
flexibility; framed structures; objectivity; P-$\Delta$ effects; reinforced concrete; shear;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
Times Cited By SCOPUS : 0
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