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dc.contributor.authorYaragal, S.C.-
dc.contributor.authorBabu, Narayan, K.S.-
dc.contributor.authorAdari, S.-
dc.date.accessioned2020-03-31T08:45:12Z-
dc.date.available2020-03-31T08:45:12Z-
dc.date.issued2012-
dc.identifier.citationJournal of Structural Fire Engineering, 2012, Vol.3, 4, pp.301-310en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/13043-
dc.description.abstractConcrete loses strength in the event of accidental fires. The residual strength of normal strength concrete is of vital importance for ascertaining serviceability of buildings after the event of fires. Strength loss in concrete is dependent on the temperature of exposure, its duration and the way it gets cooled. In this study concrete cubes of size 100 mm have been cast for M25 grade of concrete, 28 days water cured. The specimens were subjected to elevated temperatures of 150 C, 250 C, 350 C, 450 C and 550 C with a retention period of 1 hour. After 1 hour of exposure, specimens were allowed to cool under different cooling regimes to ambient temperature. Later their appearance, colour and cracks were observed and also weight losses were determined. Further, destructive tests were conducted to estimate residual compressive and split tensile strengths. Important performance changes have been presented and discussed. Split tensile strengths are related to compressive strengths for all the cases of cooling regimes.en_US
dc.titleStrength characteristics of concrete exposed to elevated temperatures and cooled under different regimesen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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