![PUNCHING SHEAR to BS8110:2005 1 PUNCHING SHEAR to BS8110 2005](https://excel.civilmdc.com/wp-content/uploads/2021/11/PUNCHING-SHEAR-to-BS8110-2005.png)
Punching shear is a phenomenon where a concentrated force on a slab causes a shear failure cone that “punches” through. Punching shear calculations require a demand value and a capacity value.
Many hand calculations will consider a punching shear force against a punching shear capacity force.