Temperature of Steel Columns under Natural Fire
DOI:
https://doi.org/10.14311/642Keywords:
steel structures, fire design, fire test, compartment temperature, protected steel, natural fireAbstract
Current fire design models for time-temperature development within structural elements as well as for structural behaviour are based on isolated member tests subjected to standard fire regimes, which serve as a reference heating, but do not model natural fire. Only tests on a real structure under a natural fire can evaluate future models of the temperature developments in a fire compartment, of the transfer of heat into the structure and of the overall structural behaviour under fire.To study overall structural behaviour, a research project was conducted on an eight storey steel frame building at the Cardington Building Research Establishment laboratory on January 16, 2003. A fire compartment 11×7 m was prepared on the fourth floor. A fire load of 40 kg/m2 was applied with 100 % permanent mechanical load and 65 % of imposed load. The paper summarises the experimental programme and shows the temperature development of the gas in the fire compartment and of the fire protected columns bearing the unprotected floors.
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Published
2004-01-05
How to Cite
Wald, F., Studecká, P., & Kroupa, L. (2004). Temperature of Steel Columns under Natural Fire. Acta Polytechnica, 44(5-6). https://doi.org/10.14311/642
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