Engineering
8 years ago

Concrete spalling in fires leads to early structural failures, study finds.

Applications of Structural Fire Engineering
Spalling of concrete: Implications for structural performance in fire
Susan Deeny, Tim Stratford, Rajesh Dhakal, Peter Moss, Andrew Buchanan

Paper Summary

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Concrete can break apart in fires, affecting the strength of structures. Researchers studied how this spalling impacts reinforced concrete beams. They found that when spalling occurs, beams fail early in fires, before they should. To prevent this, designers need to consider factors like moisture content and number of reinforcing bars. Structures are usually designed without considering spalling, but in some cases, it can affect stability.