Understanding Concrete grade/class types, Mix ratios and their uses
![](https://jenganami.com/wp-content/uploads/2021/02/uve-sanchez-9DRX_cW48RQ-unsplash-scaled.jpg)
A concrete grade is an indication of the strength that a concrete attains after maturity. In most cases the strength is measured at 28 days since concrete usually achieves around…
Share