Precast concrete planks (Composite beams: EC4 Eurocode)
The design of composite beams with precast concrete planks is carried out in accordance with the guidance given in SCI P401. The design basis in P401 is, in general, in accordance with Eurocode 4, supplemented by NCCI derived test data where applicable.
As the implications of applying NCCI PN002 or SCI P405 to composite beams with PC planks have not being considered in the first release, only pure EC design will be carried out regardless of whether apply NCCI PN002 is selected or not.
Where a choice has been made the condition of the most common application has been taken: shop welded, hollow core unit with partial interaction.