This is the most basic concrete mix for standard concrete work:
The aggregate should be between 2,5 and 6mm, it provides bulk and strength.
- 1 Part Portland cement
- 2 Parts Building sand
- 3 Parts Aggregate (Gravel)
Appox 1/2 part water.
Add enogh water to saturate all the particles. it must be wet enough not to be crumbly