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Fire of steel and composite beam bridges

 Fire of steel and composite beam bridges
Autor(en): , , ,
Beitrag für IABSE Congress: The Evolving Metropolis, New York, NY, USA, 4-6 September 2019, veröffentlicht in , S. 724-731
DOI: 10.2749/newyork.2019.0724
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The problem of bridge fires is growing. Because of a bad experience in Poland, it was decided to improve fire resistance of long span bridge structures, and of cable-stayed bridges in particular. S...
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Bibliografische Angaben

Autor(en): (Warsaw University of Technology)
(Warsaw University of Technology)
(Warsaw University of Technology)
(Warsaw University of Technology)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: The Evolving Metropolis, New York, NY, USA, 4-6 September 2019
Veröffentlicht in:
Seite(n): 724-731 Anzahl der Seiten (im PDF): 8
Seite(n): 724-731
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/newyork.2019.0724
Abstrakt:

The problem of bridge fires is growing. Because of a bad experience in Poland, it was decided to improve fire resistance of long span bridge structures, and of cable-stayed bridges in particular. Statistics shows that fire is a real threat to this kind of structure. They also confirm that the worst results of fire are for those with an orthotropic deck rather than with a concrete one. The basic problems to solve are how to predict fire resistance of a particular bridge and how to ensure safety and structural integrity of the bridge structure. Taking into account the fact that bridge standards do not include information relating to fire protection, and fire standards do not determine rules for design, construction and maintenance of such structures, there are no regulations for this problem. Fire scenarios are devoted to buildings, but the thermo-structural behavior of bridges is different.

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