Ready Mix Concrete-Batching, Mixing, Transporting, and Handling

While Ordering Ready Mixed Concrete Following Points is to be specified:

Coarse aggregate size
Slump
Air content
Basis for proportioning, select Options A ,B, or C.

Option A—performance based:

Purchaser specifies:

Compressive strength

Concrete producer selects mix proportions.

Option B—prescription based:

Purchaser specifies mixture proportions including:
· Cement content
· [...]