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Uncertainties in Steel Temperatures during Fire

Published

Author(s)

Dilip K. Banerjee

Abstract

In order to determine the fire resistance of steel members, steel temperatures must be estimated with a high confidence. There can be considerable uncertainty in temperatures of both protected and unprotected steels during fire exposure. This is due to uncertainty in the thermal boundary conditions and thermophysical properties. In this study, uncertainties in both unprotected and protected steel temperatures are estimated with the use of a Monte Carlo method in conjunction with a “Lumped Heat Capacity” approach for estimating steel temperatures. Computed data are compared with experimental measurements conducted during Cardington fire tests (bare steel) and NIST World Trade Center tests (protected). Reasonable agreement was achieved.
Citation
Fire Safety Journal

Keywords

uncertainty, heat transfer model, Monte Carlo method, fire, steel, composite floor system, fire resistance tests.

Citation

Banerjee, D. (2013), Uncertainties in Steel Temperatures during Fire, Fire Safety Journal (Accessed April 24, 2024)
Created August 4, 2013, Updated December 9, 2019