New experimental results on punching shear behavior of flat slabs with varying amount of punching shear reinforcement

Reduction of punching shear reinforcement

With introduction of Eurocode 2 in Germany, the punching shear design provisions for flat slabs were revised. In consequence of limited anchorage conditions of punching shear reinforcement elements in flat slabs depending on the effective depth, only a reduced steel strength may be used in the calculation of the steel contribution. Due to the lack of systematic tests and safety related concerns, the amount of punching shear reinforcement in flat slabs within the 1st and 2nd row was significantly increased in German Annex of Eurocode 2 (EC2NA) compared to the general Eurocode 2. The results of...

Related articles:

Issue 2018-02 Punching shear behavior of footings with a varying amount of punching shear reinforcement

Experimental investigations

The punching shear design provisions for footings and ground slabs were revised with the introduction of Eurocode 2 in Germany. In contrast to previous German codes, the location of the control...

more
Issue 2017-02 Questions and answers

Punching shear design in practice

With introduction of Eurocode 2 in Germany (DIN EN 1992-1-1/NA [1] [2]) in 2012, the punching shear design provisions for flat slabs and column bases were revised compared to DIN 1045-1 [3]....

more
Issue 2021-02

Punching shear behavior of steel fiber reinforced flat slabs in combination with punching shear reinforcement

The guideline “Steel Fibre Reinforced Concrete” published by the German Committee for Reinforced Concrete (DAfStb) in 2012 regulates the punching shear design of steel fiber reinforced flat slabs...

more
Issue 2017-02 Flat slabs and foundations

New punching shear reinforcement systems

The structural design of flat slab systems is usually governed by the punching shear resistance of the slab. To achieve a sufficient punching shear resistance at reasonable slab thickness, shear...

more
Issue 2021-01 FILIGRAN TRÄGERSYSTEME

Punching shear reinforcement with increased bond resistance

Flat slabs with lattice girders as semi-precast construction system feature horizontal composite joints between the semi-precast concrete slabs and the in-situ concrete topping. Both the punching...

more