A review of methods for determining structural fire severity—Part I: A historical perspective

Summary There is a risk of a building suffering unsustainable structural damage in the event of a large fire. Therefore, it is necessary to design buildings to withstand expected fires. A widely used simplified calculation method is the so‐called ‘time‐equivalence’ method. There are significant conc...

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Vydáno v:Fire and materials Ročník 46; číslo 1; s. 153 - 167
Hlavní autoři: MacIntyre, Jonathon D., Abu, Anthony K., Moss, Peter J., Nilsson, Daniel, Wade, Colleen A.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Bognor Regis Wiley Subscription Services, Inc 01.01.2022
Témata:
Building design
Equivalence
Fire damage
Fire exposure
fire resistance
fire severity
State-of-the-art reviews
structural adequacy
Structural damage
structural fire engineering
time‐equivalence
ISSN:0308-0501, 1099-1018
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Shrnutí:Summary There is a risk of a building suffering unsustainable structural damage in the event of a large fire. Therefore, it is necessary to design buildings to withstand expected fires. A widely used simplified calculation method is the so‐called ‘time‐equivalence’ method. There are significant concerns about the suitability of this method. This paper is Part I of a twofold study examining the state of the art of time‐equivalence methods. The purpose of this paper is to provide a detailed background of the development of time‐equivalence methods since its first introduction in 1928 and to provide an initial high‐level assessment of the accuracy of these methods. A simple scoring system is used to assess the methods based on the accuracy of the analysis techniques used in their derivation. The study revealed that most methods do not account well for structural system response to fire exposure. While some time‐equivalence methods do yield accurate results, further analysis is required to fully assess their suitability.
Bibliografie:Funding information
Building Research Levy
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0308-0501
1099-1018
DOI:10.1002/fam.2962