Heating mechanism of unprotected steel beam installed beneath ceiling and exposed to a localized fire: Verification using the real-scale experiment and effects of the smoke layer

Takashi Wakamatsu, Yuji Hasemi, Koji Kagiya, Daisuke Kamikawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Measurements of the heating condition of a steel beam installed beneath a ceiling and exposed to a localized fire source are made on a real-scale experiment. The data of thermal response obtained from the experiments are compared with previous small-scale experiments. The effects of the smoke layer which influences upon the heating condition of the beam are investigated through the smoke experiments setting the smoke protection soffits to the same experimental equipment. FDM-based calculation is demonstrated using the average temperature of the smoke layer for the boundary conditions to predict the thermal response of the beam. Applicability of the approximated temperature of the smoke layer is examined by comparing the numerical results of the temperature with those obtained through the experiment.

Original languageEnglish
Title of host publicationFire Safety Science - Proceedings of the 7th International Symposium
Pages1099-1110
Number of pages12
DOIs
Publication statusPublished - 2003 Dec 1
Event7th International Symposium on Fire Safety Science - Worcester, MA, United States
Duration: 2002 Jun 162002 Jun 21

Publication series

NameFire Safety Science
ISSN (Print)1817-4299

Conference

Conference7th International Symposium on Fire Safety Science
CountryUnited States
CityWorcester, MA
Period02/6/1602/6/21

Keywords

  • Heat flux
  • Localized fire
  • Real-scale experiment
  • Smoke layer
  • Soffit

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Building and Construction

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  • Cite this

    Wakamatsu, T., Hasemi, Y., Kagiya, K., & Kamikawa, D. (2003). Heating mechanism of unprotected steel beam installed beneath ceiling and exposed to a localized fire: Verification using the real-scale experiment and effects of the smoke layer. In Fire Safety Science - Proceedings of the 7th International Symposium (pp. 1099-1110). (Fire Safety Science). https://doi.org/10.3801/IAFSS.FSS.7-1099