Ready Mix Concrete





Ready-mix concrete is concrete that is manufactured in a batch plant, according to a set engineered mixdesign. This is a major part of any Concrete construction project.
Ready mix concrete is a combination of cement and water, and aggregates like sand and coarse aggregates and stick them together into a rock-like mass that is known as concrete.

Types of Ready Mix Concrete

  •          Transit mixed concrete.
  •          Shrink mixed concrete.
  •          Central-mixed concrete.
                         
Transit Mixed Concrete

In this type of ready mix concrete all the raw material are batched into the truck mixture which is rotating at a charging speed and during the loading time and after that it is rotating at a normal speed continuously. It is also called dry concrete.

Shrink Mixed concrete

This is the type of concrete in which concrete is partially mixed at the batching central plant and then remaining mixing is done in the drum during their transit time.

Central Mixed concrete

In this type, Concrete mix is made thoroughly in the central batching plant before loading in the drum mixture. Drum mixture performs as agitator only during transporting. It is also called wet batch or pre-mix plant.

Advantages of Ready Mix Concrete


  •          Quality Concrete is made as it is produced from consistent method and equipments are well advance in addition to that constant monitoring is done.
  •          Construction projects like dams, roads, bridges, tunnels will be completed in defined time.
  •          More durable structure is made therefore service life and saving life cycle costs are increasing.
  •          Unnecessary wastage of basic material at the site can be avoided.
  •          Cement is saved and so will conserve the energy and resources, and restrict environment pollution.
  •          Labour cost can be reduced by eliminating labour association with the production of concrete.
  •          No need to store material at site.


Disadvantage of Concrete    


  •          Initial investment is huge
  •           Need an effective transportation system from the batching plant to the job site.
  •           Labour should be ready at the site to cast the concrete in position without any delay to avoid slumps in the mixture.
  •          It should be used within 210 minutes of batching the plant as Concrete has limited time and. Traffic jam or breakdown of the vehicle can create a problem.
  •          For smaller projects (less quantity of concrete is required) it is not suitable.


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