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Natural fire; concrete strength; exposure duration; maximum temperature; heating rate; cooling rate
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Influence Of Natural Fire Development On Concrete Compressive Strength, Robert T. Kuehnen, Maged A. Youssef, Salah El-Din F. El-Fitiany
Influence Of Natural Fire Development On Concrete Compressive Strength, Robert T. Kuehnen, Maged A. Youssef, Salah El-Din F. El-Fitiany
Civil and Environmental Engineering Publications
With increasing acceptance of performance-based design principles in the field of fire safety, it is imperative to accurately define the behaviour of materials during fire exposure. Real-world fire events, otherwise referred to as natural fires, are defined by four characteristics: heating rate, maximum temperature, exposure duration, and cooling rate. Each of these four characteristics influences concrete’s behaviour in a different manner. In this paper, the available experimental work for concrete, tested at elevated temperatures, is examined to identify the influence of the four natural fire characteristics on concrete compressive strength. This review focuses on normal strength concrete tests only, omitting …