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Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.9, No. 12)

Publication Date:

Authors : ;

Page : 84-89

Keywords : Concrete; Fire; High temperature; Modelling; Spalling; Review.;

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The present work looks into the developments related to understanding the impact of extreme heat on concrete and concrete-based forms of different nature. Being made of this material implies that any building should naturally resist fire; yet, concrete is, in eessence, is very complicated complex and likely to shift in terms of features when experiencing extreme heat. Fire, basically, reduces compressive strength, as well as spalling in concrete – the latter being described as forced removal of substances from the surface of any piece of fabrication. Despite vast amounts of data on these two effects, better structured investigations are to be carried out. The way buildings react to such fires in actual scenarios, in itself, is a different issue because of the interactions occuring among various components, effect of complicated small-scale events in theri entirety, and also the spatial and temporal changes in heat such as the cooling stage after the fire recedes. There have been advancements in the field of simulating thermo-mechanical patterns; however, how to handle intricate behaviours like hygral effects and spalling remains a question. On top of all this a major shortage exists in the amount of infoirmation related to actual structures for the purpose of validation, while precious other data can be obtained if we focus on behavior of concrete formations in such actual fire events.

Last modified: 2021-01-05 08:39:18