What is meant by Design Mix concrete?
Different ingredient of concrete need to be mixed in appropriate proportions during the production of concrete. This can be done either by volume or by weight, the latter being more precise and scientific.
The objective of design mix is to ensure that the concrete:
- confirms to the specified durability requirements to resist the enviornment in which the structure will be serviceable during its design life.
- has adequate workability.
- is capable of being mixed, transported, laid down and compacted as efficiently as possible.
- be as economical as possible.