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ABSTRACT
The article delves into the various aspects of fire resistance in steel and mixed (steel-concrete) structures. It emphasizes that steel's performance deteriorates under the influence of heat and that several factors such as the duration of fire exposure and applied loads influence this performance. Solutions for enhancing fire resistance are also discussed, including the use of insulating barriers and intumescent paints. The article covers standards and calculation methods, notably Eurocodes 3 and 4 and the ISO-834 standard, and suggests modern methods like numerical simulations for assessing fire resistance.
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Thibault FOURCADE: Engineer
INTRODUCTION
In a context where structural fires represent a major risk to the safety of people and property, it is crucial to understand the factors that influence the fire resistance of construction materials, particularly steel. This article examines the many facets of the fire resistance of steel and composite (steel-concrete) structures, covering topics such as the impact of heat on steel properties, regulatory standards and modern assessment methods such as numerical simulations.
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KEYWORDS
fire resistance | Eurocodes | numerical simulations
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Steel fire resistance
General concept
Bibliography
Standards and norms
- Eurocode 3 – Structural steel design – Part 1-2: General rules – Fire behavior calculations. - NF EN 1993-1-2 - 2005
- Eurocode 4 – Design of steel-concrete composite structures – Part 1-2: General rules – Fire behavior calculations. - NF EN 1994-1-2 - 2005
- Tests to measure the performance of building components in the event of fire – Part 8: Protection applied to structural steel elements. - NF EN 13381-8...
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