Introduction to Ready Mix Concrete;  

Ready mixed concrete is an ideal concrete that is manufactured in a factory or in a batching plant based on standard required specifications;

Ready-mixed concrete is a mixture of cement, water, and aggregates: sand, gravel, or crushed stone.

The finished concrete mixture is then transported to the worksheet within the transit mixer above the truck.
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Ready mixed concrete (RMC) is a ready to use materials with a prearranged combination of cement, sand, aggregates and water.

The idea of ​​Ready Mix Concrete (RMC) was first introduced by the architect Jurgen Heinrich Magens.

In 1907, he found that the time available for transport could be increased not only by cooling fresh concrete, but also by vibrating throughout transport.

Objective of ready mixed concrete:

• Higher quality concrete is produced.

• Elimination of space for storing for primary materials on site.

• Dissipation of primary materials is prevented.

Ready-Mix Concrete Projects we’ve done at SOLHAR in Kimberley

Advantages of ready mixed concrete:

1. Quality concrete is obtained from a ready-mixed concrete mix plant that uses advanced equipment and stationary methods.

2. There is strict control over material testing process constraints and continuous monitoring are the key practices throughout the construction.

3. In the case of site mix concrete, poor management over the enter materials, batching, and mixing methods are resolved within the ready mix concrete methodology.

4. In the construction works to be adopted within the ready mix concrete plant, the speed after the mechanical operation is fixed.

5. The output from the site combines the concrete plant using an 8/12 mixer which is 30–60 metric cubes per hour to 4-5 metric cubes per hour within the ready mix concrete plant.

6. Better handling and proper mixing will help in reducing cement consumption by 10 – 12%.

7. Also, the use of admixture and various materials will help to reduce the amount of cement.

8. Concrete mixes are used with high versatility, these are the best concrete methods.

9. Cement is shielded and dust is minimized because the finished concrete uses a bulk mixture of concrete instead of a bag of cement.

10. Conservation of cement will conserve energy and resources: due to low consumption, cement production is low hence environmental pollution is low.

11. Thus an extra durable structure is obtained, which will increase service life and saves costs.

Disadvantages of Ready Mixed Concrete:
1. Transit time might from the time of preparation of concrete on the distribution site, might affect the performance.
2. There is a need to add extra water or penetration to maintain functionality according to the specification.
3. On-site, quality assurance (QA) / quality control (QC) has to test functionality through fatigue testing before being used for manufacture.
4. Traffic during the transit of concrete might result in the setting of concrete so the addition of entrances is required to delay the setting period.
5. Formwork and placing arrangements should be prepared in a big area in advance as concrete might be bought in large portions.