The contractor ran into a slight problem and will not be able to pour the walls. He is only pouring one column with 2.8 cu.m of concrete. Does this require a test or is it below the minimum concrete volume required for a test... if there is any.
I recently had a few test cylinders cure in the initial 24 hr below the CSA standard of 20 +/- 5 deg. C. My cylinders cured between 15 deg C to in one extream case 2 deg C. All my samples however passed the 7 day test above the required 30 mPa averaging 31 mPa. Would the initial curing time have...
Hey. I have a few big jobs coming up and I would like to know how many trucks I should run a concrete test (slump, air, cylinders) out of say 10 trucks. The client of course wants to save as much money as he can but I want to make sure the number of cylinders I cast is representative of what was...
