Abstract
This paper deals with the problem of fire resistance where walls of a structure must be penetrated with electric cables or air channels. It attempts to provide helpful information to those involved in the design, architecture and inspection of such buildings.
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Abbreviations
- a :
-
cable diameter, m
- b :
-
distance between axes of nearest neighbor cables, m
- H :
-
convective heat transfer coefficient, W m−2K−1
- k :
-
thermal conductivity, W m−1K−1
- l :
-
wall thickness, m
- T :
-
temperature, K
- ΔP :
-
pressure drop across the wall, Pa
- μ:
-
viscosity, Pa s
- ϱ:
-
density, kgm m−3
- σ:
-
Stefan-Boltzmann constant, W m−2K−4
References
McGuire, J. H., “Small-Scale Fire Tests of Walls Penetrated by Telephone Cables,”Fire Technology, Vol. 11, No. 1 (1975), p. 73.
McGuire, J. H., “Small-Scale Fire Test of a 6-Inch Wall Penetrated by Telephone Cables,” Building Research Note of The Division of Building Research, National Research Council of Canada, 1976.
Quigg, P. S. and Orals, D. L., “Communication Cable ‘Poke Thru’ Floor Fire Test,”Building Standards, Vol. 46 (1977), p. 44.
Klamerus, L. J. and Nilson, R. H., “Cable Tray Fire Tests,” Sandia Laboratories, Albuquerque, New Mexico, Report SAND77-1125C, 1977.
Klamerus, L. J., “A Preliminary Report on Fire Protection Research Program (July 6, 1977 Test),” Sandia Laboratories, Albuquerque, New Mexico, Report SAND77-1424.
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Hunter, L.W., Favin, S. Fire resistance of penetrated walls. Fire Technol 17, 285–291 (1981). https://doi.org/10.1007/BF02479576
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DOI: https://doi.org/10.1007/BF02479576