Fire Technology

, Volume 14, Issue 3, pp 223–225 | Cite as

Steiner tunnel index as a measure of flame spread rate

  • G. Williams-Leir


The procedure by which a flame spread index is calculated in the Steiner Tunnel Test has recently been revised by ASTM. The new index is shown to measure average flame speed, weighted so as to emphasize the flame behavior in the earlier part of the test.


Civil Engineer Early Part Spread Rate Flame Spread Flame Speed 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. 1.
    “Surface Burning Characteristics of Building Materials,” E84-76a; American Society for Testing and Materials, Philadelphia, 1976.Google Scholar
  2. 2.
    Parker, W. J., speaking to Tunnel Operators Group at Atlanta, Georgia, January 23, 1978.Google Scholar
  3. 3.
    D'Souza, M. V., and McGuire, J. H., “ASTM E-84 and the Flammability of Foamed Thermosetting Plastics,”Fire Technology, Vol. 13, No. 2 (May), 1977.Google Scholar

Copyright information

© Kluwer Academic Publishers 1978

Authors and Affiliations

  • G. Williams-Leir
    • 1
  1. 1.Fire Research Section Division of Building ResearchNational Research Council of CanadaCanada

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