Free Tool · 2 min
RC vs PT Frame Selector
Five quick questions about your scheme, and we’ll suggest whether reinforced concrete, post-tensioned, or a hybrid frame is the stronger starting point.
Question 1 of 5
What are your typical structural spans?
Centre-to-centre between columns on the main grid.
Question 2 of 5
How important is keeping floor-to-floor height down?
Thinner slabs can recover height for extra storeys.
Question 3 of 5
How column-free do the floor plates need to be?
Question 4 of 5
Is the building vibration-sensitive?
Labs, imaging, precision manufacturing need stiff floors.
Question 5 of 5