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Composite slabs are common solutions  in steel structures. The profiled steel sheeting of  the steel deck can remove the need for positive reinforcement. However, due to the slenderness of these sheets and their fragility at high temperatures, the occurrence of fires can undermine the safety of  the  structural  system.  In many  cases, positive  reinforcements have been added  to increase  resistance  to  fire.  It  is  known  that  negative  reinforcements  have  better  thermal protection than positive ones and generate structural continuity to the slabs,  increasing their negative  bending moment while  reducing  the  positive  one.  These  factors  result  in  greater effectiveness of the negative reinforcement when compared to the positive one, despite the scarcity of studies in this regard, which makes the subject incipient. This paper presents a state‐ of‐the‐art analysis on the continuity effect of composite slabs subjected to fire conditions by means of real scale experiments.

Real‐scale experimental analysis on the continuity effect of steel‐concrete composite slabs subjected to fire conditions: state‐of‐the‐art