zaes73
Structural
- Aug 24, 2007
- 32
if the compressive strength of a concrete block after 5-days is "452psi" what may be the approximate value after 28-days.
And what is a good strength value of hollow concrete block and solid concrete block, at 28days compressive test.
And what is a good strength value of hollow concrete block and solid concrete block, at 28days compressive test.