Clarification on punching shear on slab on grade

[sevenC317]

Is it still required to check the punching shear on the slab on grade that is assumed to be unreinforced? According to the paper 'Load-Carrying Capacity Concrete Slabs-On-Grade Subject To Concentrated Loads' by Victor D. Azzi, Ph.D., P.E., and Ralph H. Laird, punching shear failure is a possibility.

 

[KootK]

Definitely.

 

[EngDM]

Slab on grades typically wouldn't have any shear reinforcing anyways, so you're basically checking plain concrete in basically all cases.