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Ingeniería Mecánica
versión On-line ISSN 1815-5944
Resumen
LARRUA-PARDO, Yisel; LARRUA-QUEVEDO, Rafael y PIGNATTA SILVA, Valdir. Design of channel mechanical connections in composite beams in fire. Ingeniería Mecánica [online]. 2015, vol.18, n.1, pp. 52-61. ISSN 1815-5944.
In this paper two methods to design of channel mechanical connection are proposed, a simplified one and graphical alternative another, both using the numerical analysis for the study of the mechanical connection behavior. The developed simplified method considers temperatures defined through the thermal modelling of the push-out test in fire and it is coherent with the design expressions of the channel mechanical connections to ambient temperature, and the current formulation for the design of the stud connections al elevated temperatures. The proposed alternative graphical method constitutes an option that allows obtaining, in a direct and quick way, the resistance to elevated temperatures of the channel mechanical connections for a determined time of resistance to the fire, according to its resistance to ambient temperature.
Palabras clave : channel mechanical connection; simplified method; alternative graphical method; numerical model; fire.