List of Contributions

How is the accelerated-cure concrete performing at this time? ------------------------------ Thomas Halmi P.E., M.ASCE Senior Facilities Engineer Steelcase Rockford MI ------------------------------

See ACI 306R-16 for the Guide to Cold Weather Concreting. Less than 4 degrees C is a cut off temp. https://www.concrete.org/Portals/0/Files/PDF/Previews/306R-16_preview.pdf Concrete remove preview View this on Concrete > ------ ...

Dear All: I appreciate all the suggestions and thoughts. There is no joint curling or pumping. The spalls started appearing in recent history of the slabs. There is some crazing, but I don't think this contributed to the problem. I am thinking the spalling started after: 1. The plant began bu ...

I am looking for repair suggestions as well as possible cause of spalling of control joints in a concrete floor in a factory. Spalling is occuring at nearly all of the joints in the aisles only. The concrete is 6" thick 4000 psi concrete, with welded wire fabric reinforcement at 3" depth, with metal ...