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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 32
DEVELOPMENTS IN COMPUTATIONAL TECHNIQUES FOR CIVIL ENGINEERING Edited by: B.H.V. Topping
Paper VII.7
Nonlinear Model for Plane Reinforced Concrete Frames R. Cerioni, R. Bringhenti and A. Spagnoli
Department of Civil Engineering, University of Parma, Parma, Italy R. Cerioni, R. Bringhenti, A. Spagnoli, "Nonlinear Model for Plane Reinforced Concrete Frames", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 205-214, 1995. doi:10.4203/ccp.32.7.7
Abstract
A nonlinear finite element model is proposed in order to
analyse reinforced concrete frames. The finite element
adopted is constituted by an elastic beam, having axial and
flexural stiffness, connected to nodes by means of two
potential generalised plastic hinges, having rigid-perfectly
plastic behaviour. Activation of plastic hinges occurs as
internal forces reach the interaction diagram of the cross-section.
The model calculates collapse load, as well as
displacements, internal forces, reactions and plastic hinge
rotations throughout a load incremental procedure. On the
basis of the proposed model a computer program was
developed and tested by comparison with numerical data
available in literature.
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