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Sousa, Alex M.D. de (author), Lantsoght, E.O.L. (author), Genikomsou, Aikaterini S. (author), Krahl, Pablo A. (author), Debs, Mounir K. El (author)The outstanding mechanical properties of ultra-high-performance fiber-reinforced concrete (UHPFRC) can be used to improve the punching behavior of new slab-column connections. This study investigates the punching capacity of flat slab-column connections built with a rational combination of normal strength concrete (NSC) and UHPFRC in critical...journal article 2021