Field-cured concrete sample cylinders must be subjected to similar conditions…

Filnamn: Field-cured concrete sample cylinders must be subjected to similar conditions as the footings/walls; acceptable use of the Windsor Probe/Pin testing method.

OSHA interpretation letter responding to whether field-cured concrete cylinders may be heated and whether Windsor Probe and Pin testing may replace ASTM methods under 29 CFR 1926.752(a)(1) for footings, piers, and walls before steel erection. It states that field-cured samples must face conditions similar to the footings/walls.