Concrete Mix types and its Objectives
Efficient and high-quality concrete mixes are produced using the following three methods namely:
Hand Mixing
Machine Mixing
Ready Mix Concrete
Hand Mixing involves the mixing of concrete manually without the use of a mixer machine.?
Machine Mixing involves the mixing done with the use of a mixer machine.
Ready Mix Concrete is a process where the mixing is done in an automatic or semi-automatic batch plant. This batch plant is called Ready Mix Concrete.
SD Conmix uses top-rated technology in the industry in its batch plant to produce? high quality ready mix concrete and is the most preferred choice due to its strength, and durability which impacts the overall strength of the building.
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Hand mixing of concrete - It is the manual mixing of concrete materials without the use of a mixer machine. It is done only for small jobs when the concrete required is low and quality control is not critical. Uniformity cannot be achieved by hand mixing as uniformity needs extra caution and effort. Hand mixing needs 10% more cement to be applied to the nominal mix concrete proportion.
Machine mixing of concrete - Machine mixing is a method of combining concrete materials with a concrete mixer. The demands of fast mixing times are met, also the optimal consistency, and homogeneous concrete efficiency. It ensures uniform homogeneity making it best suited for large projects with large quantity requirements.
Concrete mixing machine - It is also called a concrete mixer.? It is a uniform mixture of cement, aggregate such as sand or gravel, and water to shape concrete. The process requires a rotating drum used to combine the components in a traditional concrete mixer. The mixer machine is used to mix ingredients by volume and weight.
Objectives of Concrete mixing
Proper mixing of materials is critical to manufacture high-quality fresh concrete.?
During the mixing phase, the surface of all aggregate particles is coated with cement paste.
The purpose is to achieve the desired workability and performance of concrete both in fresh and hardened states.
It avoids bleeding and segregation.