Dhima, D., Joyeux, D. and Kruppa, J., 2000. Fire Safety Engineering - Numerical Assessment Of The Mechanical Behaviour Of A Steel Structure Exposed To Natural Fire. Fire Safety Science 6: 903-914. doi:10.3801/IAFSS.FSS.6-903
ABSTRACT
The fire parts of Eurocode 1 (actions) and 3 (steel structures) allow the use of advanced analytical and numerical calculation methods for fire engineering design. This paper reports on an application of the natural fire safety concept applied to a new steel framed building. Different probable natural fires scenarios have been studied and in each case, a two zone model has been used in order to determine the fire temperature within the building for each scenario. For the most dangerous fire scenarios, the heating of different elements as well as the mechanical behaviour of the steel structure has been determined by finite element programs. Finally, for parts of the structure where the fire stability is not verified, the critical temperature has been obtained in order to determine the insulation requirements.
Keyword(s):
natural fire, heat transfer, mechanical behavior, eurocodes, steel columns, truss
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