Control joint spacing of slab on grade in open air parkingstructure
Control joint spacing of slab on grade in open air parkingstructure
(OP)
What is the maximum spacing of control joints in 125 mm thick slab-on-grade open air parking garage in Ottawa Ontario Canada climate. I feel that 36 times the slab thickness for a 125 slab = 4500 mm (15 feet) is too far for a salb subject to external environmental temperature changes. I realize that the actual spacing will generally be governed by the column spacing, but what would be the "maximum" permissible spacing to avoid excessive cracking?






RE: Control joint spacing of slab on grade in open air parkingstructure
I am unsure if I have ever seen this spacing codified, but rather I learned it from a professor who is a paving "expert". So take it for what it is worth.
RE: Control joint spacing of slab on grade in open air parkingstructure
125mm is pretty thin, so I would go close with the spacing...10-12 feet
RE: Control joint spacing of slab on grade in open air parkingstructure