![DESIGN OF HOLLOW BLOCK SLAB 1 DESIGN OF HOLLOW BLOCK SLAB](https://excel.civilmdc.com/wp-content/uploads/2021/11/DESIGN-OF-HOLLOW-BLOCK-SLAB.png)
A hollow core slab, also known as a voided slab, hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings.
A hollow core slab, also known as a voided slab, hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings.