Structural Fire Performance of Innovative Moment-Resisting Connection Joining Steel Beams to HSS Columns

1 Dept. of Civil Engineering, Lakehead University, Thunder Bay, Canada
2 Dept. of Civil & Environmental Eng., Carleton University, Ottawa, Canada
3 Dept. of Civil & Environmental Engineering, Carleton University, Ottawa, Canada

Journal of Structural Fire Engineering

ISSN: 2040-2317

Publication date: 18 November 2014


In this paper, experimental results of the structural fire behaviour of four large-scale steel frame test assemblies are presented. Test assemblies were made of HSS beams and columns connected together using an innovative extended end-plate moment connection configuration. Two different parameters were investigated, the connection end plate thickness and the degree of beam axial restraint. The fire performance of this beam-to-column configuration was compared to the behaviour of a commonly-used connection configuration with similar parameters and fire testing conditions. The newly-developed connection configuration behaved in a more flexible manner at elevated temperature than the regular configuration. In addition to improved constructability and pleasant appearance, the new connection configuration exhibits greater moment-carrying capacity and enhanced fire resistance characteristics.


Salem, O., Hadjisophocleous, G. and Zalok, E. (2014), "Structural Fire Performance of Innovative Moment-Resisting Connection Joining Steel Beams to HSS Columns", Journal of Structural Fire Engineering, Vol. 5 No. 4, pp. 331-352.



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