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A simplified model for evaluation of fatigue damage in frames
Many studies have been developed to analyze the structural seismic behavior through the damage index concept. The evaluation of this index has been employed to quantify the safety of new and existing structures and, also, to establish a framework for seismic retrofitting decision making of structures. Most proposed models are based in a posterthquake evaluation in such a way they uncouple the structural response from the damage evaluation. In this paper, a generalization of the model by Flórez-López (1995) is proposed. The formulation employs irreversible thermodynamics and internal state variable theory applied to the study of beams and frames and it allows and explicit coupling between the degradation and the structural mechanical behavior. A damage index es defined in order to model elastoplasticity coupled with damage and fatigue damage.
A simplified model for evaluation of fatigue damage in frames
Many studies have been developed to analyze the structural seismic behavior through the damage index concept. The evaluation of this index has been employed to quantify the safety of new and existing structures and, also, to establish a framework for seismic retrofitting decision making of structures. Most proposed models are based in a posterthquake evaluation in such a way they uncouple the structural response from the damage evaluation. In this paper, a generalization of the model by Flórez-López (1995) is proposed. The formulation employs irreversible thermodynamics and internal state variable theory applied to the study of beams and frames and it allows and explicit coupling between the degradation and the structural mechanical behavior. A damage index es defined in order to model elastoplasticity coupled with damage and fatigue damage.
A simplified model for evaluation of fatigue damage in frames
Carnicero, Alberto (Autor:in) / Perera Velamazán, Ricardo (Autor:in) / Alarcón Álvarez, Enrique (Autor:in)
01.01.1998
Proceedings of the Eleventh European Conference on Earthquake Engineering, 6-11 September 1998, Paris, France: Invited Lectures | 11th. European Conference on Earthquake Engineering | 06/09/1998-11/09/1998 | París, Francia
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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