Vol. 3, No. 1, pp. 459-484(2007)
NUMERICAL IMPLEMENTATION AND CALIBRATION OF A HYSTERETIC MODEL
WITH PINCHING FOR THE CYCLIC RESPONSE OF STEEL JOINTS
Pedro Nogueiro 1, Luís Simões da Silva2,*, Rita Bento 3 and Rui Simões 4
1 Department of Applied Mechanics, Polytechnic Institute of Bragança, Bragança, Portugal
2 Department of Civil Engineering, University of Coimbra – Polo I, Pinhal de Marrocos, 3030 Coimbra, Portugal
*(Corresponding author: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
3 Department of Civil Engineering, Instituto Superior Técnico, Av. Rovisco Pais, Lisboa, Portugal
4 Department of Civil Engineering, University of Coimbra – Polo II, Pinhal de Marrocos, 3030 Coimbra, Portugal
Received: 2 March 2006; Revised: 20 May 2006; Accepted: 24 May 2006
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ABSTRACT
In this paper, a hysteretic model with pinching is presented that is able to reproduce realistically the cyclic response of generic steel joints. Secondly, the computer implementation and adaptation of the model in a spring element within the computer code SeismoStruct is described. The model is subsequently calibrated using a series of experimental test results for steel joints subjected to cyclic loading. Finally, typical parameters for the various joint configurations are proposed.
KEYWORDS
structural engineering, steel structures, buildings, component method, beam-to-column joints, dynamic behaviour, seismic behaviour, joint model
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