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Calculation of the fire resistance of composite concrete floor and roof slabs

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada
FormatText, Article
SubjectFloors; roofing; fire resistance; composite floors; concrete (materials); roofs; calculations
Abstract
A calculation method is described for the determination of the fire resistance of composite floor and roof slabs. Using this method, simple approximate formulas are derived for the calculation of the thermal fire resistance and minimum cover thickness to the steel of reinforced and prestressed concrete slabs, consisting of two layers of concrete, one lightweight and one normal weight. Comparison with test results shows good agreement between calculated and experimental fire resistances.
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  • Fire Technology 14, no. 1 (February 1978): 28–45.
LanguageEnglish
Peer reviewedYes
IdentifierDBR-P-772
NRC numberNRCC 16658
NRC-IRC-4140
NPARC number20358527
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Record identifierdf7d5f3f-2ddc-4ff1-a2cd-c31d90ba6a9d
Record created2012-07-20
Record modified2024-03-14
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