Ready Mix Concrete:

Really this is not a special concrete but is an ordinary concrete of required grade produced in bulk quantity by RMC automatic or semi-automatic plants situated at a distance from the place of construction and, therefore, transportation facilities are required. Ready Mix Concrete (RMC) is mainly associated with infra- structural developments of medium and large size projects. In ready mix concrete production, every ingredient of concrete in correct proportion is mixed by the machines and so there are no chances of errors and better quality control is achieved.  Due to the higher speed one can produce large amount of concrete within a short duration and then produced concrete either can be pumped to the site or can be transported by transit mixers or by trucks.

Following are the limitations of RMC :

(a) Skilled operators are required.

(b) It is appropriate for bulk production and for mass concreting operations.

(c) Not suitable for small consumers.

(d) Cement is needed in bulk quantity.

(e) Good roads are needed for transportation of concrete.

(f) Profit margin is low.

(g) Storage area for aggregate is required.