Efficient Beam-Column Element with Variable Inelastic End Zones
Publication: Journal of Structural Engineering
Volume 135, Issue 11
Abstract
The paper presents a new beam-column element that combines computational efficiency with accuracy. The element uses only one monitoring section in each end inelastic zone of the structural member, but accounts for the spread of inelastic deformations under strain hardening response. It is, therefore, a variable inelastic zone model that combines the benefit of integrating the section moment-curvature response with the computational efficiency of concentrated hinge models for beams and columns. The element is more accurate than current distributed inelasticity models in simulating the monotonic and cyclic inelastic response of beams and columns under typical curvature distributions, while being much more cost effective. The element is also suitable for softening response, as long as a relation is available between the length of the softening zone and element response parameters.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 135 • Issue 11 • November 2009
Pages: 1310 - 1319
Copyright
© 2009 ASCE.
History
Received: May 2, 2008
Accepted: Apr 3, 2009
Published online: Apr 23, 2009
Published in print: Nov 2009
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