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Advances in Civil Engineering
Volume 2014, Article ID 692323, 10 pages
http://dx.doi.org/10.1155/2014/692323
Research Article

Analytical Study of Common Rigid Steel Connections under the Effect of Heat

1Structure Engineering, Faculty of Civil Engineering, ACECR, Khuzestan, Ahvaz, Iran
2Earthquake Engineering, Faculty of Civil Engineering, ACECR, Khuzestan, Ahvaz, Iran
3Earthquake Engineering, Jondi Shapour University of Dezful, Dezful, Iran

Received 27 October 2014; Accepted 4 December 2014; Published 29 December 2014

Academic Editor: John Mander

Copyright © 2014 Rohola Rahnavard et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

One of the most important members of steel structure’s connection region is beam-to-column connection. Rigid connection in steel moment frame has special role in the behavior of these structures and the fire resistance of these connections can be important. In this paper the behaviors of three common types of rigid connections in Iran under the effect of heat were studied by the use of numerical finite element methods through ABAQUS software. The models were verified by the use of an experimental model through elastic and plastic amplitudes up to collapse and during numerical results, and the effect of large deformation in the nonlinear region has also been considered. The results show that the connection with the end plate had a better performance against heat than other connections. Also reduced stiffness and lateral buckling in this connection were less than other connections.