Here is my situation: Small concrete paving project. Once the project starts, the existing concrete paving needs to be torn out and replaced quickly. Contract says that the 6” aggregate base must be compacted to 95% Modified Proctor. As I understand it, there are two components to measuring...
You're right....Spec'ing 4000 PSI in 3 days is the way to do it.
I guess my question really should have been....At what strength can we safely drive trucks on the fresh concrete? 3000 PSI? 3500PSI?
Thanks.
Here is the situation: Project to pave the entrance of an active truck terminal with concrete. Current spec is 8” of 4000 PSI Concrete (No flyash permitted) with #4 Bars placed 16” OCEW. I’d like to open the newly paced concrete to traffic after 3-4 days cure time.
How should I spec the...
