Behavior and punching capacity of flat slabs with the rational use of UHPFRC: NLFEA and analytical predictions

•Flat slabs with the rational use of UHPFRC were studied by NLFEA.•The influence of the UHPFRC layer geometry and reinforcement ratio was evaluated.•Recommendations were given to assess the punching capacity of these connections.•The proposed approach was validated against experimental and numerical...

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Veröffentlicht in:	Engineering structures 2021-10, Vol.244, p.112774, Article 112774
Hauptverfasser:	de Sousa, Alex M.D., Lantsoght, Eva O.L., Genikomsou, Aikaterini S., Krahl, Pablo A., El Debs, Mounir K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Coefficient of variation Compression Compression zone Critical shear crack theory (CSCT) Engineering Engineering, Civil Fiber reinforced concretes Finite element method Mathematical analysis Mathematical models Mechanical properties Non-linear finite element analyses (NLFEA) Punching Punching shear Punching shear capacity Rational use of the UHPFRC Reinforced concrete Science & Technology Slab-column connections Slabs Technology Thickness
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