Types of mix proportion of concrete

 Mix Proportion :- 

Mix proportion of concrete are classified as :-

a) Lean mix 

b) Rich Mix

a) Lean Mix :

 If aggregate to cement ratio is high is called lean mix.

lean mix workability is low as compared to rich mix. (Lean mix low workable)

b) Rich Mix :

 if the aggregate to cement ratio is low is called Rich mix

Workability of rich mix are more compare to lean mix.