Publications

Punching shear often controls the required slab thickness or column size of flat-plate slabs. This paper presents the results of an experimental investigation of the brittle punching shear failure of post-tensioned concrete slabs. The test results are compared with ACI equations for punching shear strength. An analysis accounting for the sudden shear failure at the critical sections is also presented which provided a theoretical equation of the punching shear capacity at service stage.