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The purpose of this paper is to propose a model of damage for steel frame members based on the methods of Continuum Damage Mechanics and the concept of plastic hinge. A set of internal variables that measure the state of damage of the hinges is introduced. Expressions for the stiffness matrix of a damaged frame member and the yield function of a damaged hinge are proposed. An evolution law for the flexural damage of a hinge is identified from experimental results on monotonic tests. The model is verified by the numerical simulation of cyclic tests.
Published on 01/07/98
Accepted on 01/07/98
Submitted on 01/07/98
Volume 14, Issue 3, 1998
Licence: CC BY-NC-SA license
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