The client required a solution that would minimise
time on site, reduce the risk of debris (including sawdust from
formwork construction) being blown onto the airport tarmac, and
provide a high quality finish as the ground level would not be
enclosed.
Preparation prior to placing insitu topping
Conventional steel bar reinforcement has been installed for
flexural continuity over the beams and columns. Tie bars
connect the perimeter precast beams into the floor plate.
"Wide beam" at edge column
Top view of wide beam shell, planks and reinforcement in place.
Soffit
Illustrates the quality of finish for all components of the system.
Insitu topping
Pouring steel fibre reinforced concrete topping. The
concrete mix must be able to be pumped with steel fibre
content. The concrete finish methodology also requires
particular attention to avoid fibres coming to the surface.