I have been a licensed SE in Illinois for about 6 years and what Mike is saying is that even though Civil PE's are not allowed to analyze so much as a 2x4 in Illinois, architects are allowed to do all sorts of structural engineering that they deem "incidental" to their work.
It's ridiculous...
Our firm has designed some post-tensioned slabs for lightly loaded PEMB structures and the footings are handled the same as the footings for a conventional slab.
We size the footings as we normally would and use conventional reinforcement in the footings. Obviously, if you are in an area with...
