Abstract
The design of reinforced concrete flat slabs is usually governed by their punching shear strength, and various methods have thus been suggested to increase the punching shear strength of flat slabs. Of these methods, the addition of steel fibre has proven to be among the most effective, not only in terms of enhancing punching shear capacity but also with regard to improving the ductility of flat slabs. This paper presents a comprehensive literature review of experimental investigations conducted to study the behaviour of steel fibre reinforced concrete (SFRC) flat slabs. In addition, the punching shear calculations of the ACI-318-19, the EC2, and the BS8110 codes were evaluated using the test results for SFRC flat slabs reported in the literature to determine their applicability in practice. These codes do not consider the strength contribution of steel fibres, and thus these comparisons with the test results revealed that the punching shear calculations of the above codes consistently underestimate the shear capacity of SFRC flat slabs.
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