Failure Analysis of Reinforced Concrete Shell Structures using Layered Shell Element with Pressure Node
Publication: Journal of Structural Engineering
Volume 128, Issue 5
Abstract
In this paper, a finite element analysis technique is presented for the path-dependent nonlinear failure analysis of reinforced concrete shell structures. A so-called pressure node is added into a layered shell element utilizing in-plane constitutive models of reinforced concrete and layered formulation in the failure analysis. By controlling the volume of the shell structures using the pressure node, postpeak softening behavior after the ultimate load of the shell structures is obtained. Since the constitutive models cover loading, unloading, and reloading paths, the element is capable of predicting the behaviors of reinforced concrete shells under cyclic loading. For verification of the techniques in this paper, failure analyses of reinforced concrete slabs subjected to in-plane and out-of-plane loads and cyclic transverse loads are performed and numerical results are compared with experimental data. In addition, reinforced concrete dome structures designed with different reinforcement ratios are also analyzed to check the applicability of the technique in this paper. Results show that the techniques can be applied effectively to the failure analysis of various types of reinforced concrete shell structures.
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Published In
Journal of Structural Engineering
Volume 128 • Issue 5 • May 2002
Pages: 655 - 664
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Jan 23, 2001
Accepted: Aug 20, 2001
Published online: Apr 15, 2002
Published in print: May 2002
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