just a follow up questions for https://www.engineersheaven.org/...-M20-/-M25-Concrete?
What is the difference between nominal mix and design mix? with regarding to Concrete mix | Q & A
Engineers Heaven
Jan 29
Aspect Nominal Mix Design Mix
| Ratio | Fixed (e.g., 1:1.5:3) | Calculated |
| Quality | Less consistent | More controlled |
| Cement usage | May be excess | Optimized |
| Grades | Up to M20 | M25 and above |
Interview line:
Nominal mix has fixed proportions, while design mix is laboratory-designed for strength and durability.
The Forum post is edited by Engineers Heaven Jan 29
