Has the concrete cylinder samples process changed.
Generally,
It's a smooth rod twenty-five times per cylinder lift,
smaller cylinder has two lifts
and the larger one has three lifts.
then you scrape off the top for the cap and mark it.
I thought it use to be twenty-one times
Lost in the 80's
Generally,
It's a smooth rod twenty-five times per cylinder lift,
smaller cylinder has two lifts
and the larger one has three lifts.
then you scrape off the top for the cap and mark it.
I thought it use to be twenty-one times
Lost in the 80's