![Compressive Strength test](https://constroquicks.com/wp-content/uploads/2021/07/image-4.png)
Introduction: Compressive strength of concrete for different grades of concrete from 1 to 28 days: In general, concrete achieves 65-70% strength at 7 days, and this is reason for that formwork can removed at 7 days. Compressive strength test: Apparatus: Read More …