@KootK Totally agree with you. This has been the subject of debate with an external engineer who is insistent on their inclusion ....without justification "its a standard detail". I too don't see the need for them from a diaphragm action perspective, nor from a progressive collapse detailing...
Hi Folks,
Have a floor (roof) slab diaphragm comprised of Hollowcore planks spanning onto precast beams,
5Bays of planks (onto 4 internal beams)
Where planks are supported onto the internal beams we have rebar in 2no. cores in each plank (2dia.16 bars) joining adjacent planks together (over...