Concrete is basically a mixture of Portland cement, water and aggregates comprising manufacture sand or crushed stone.
In traditional construction sites, each of these materials is procured separately and mixed in specified proportions at site to make concrete.
RCCMIX as it is popularly called, refers to concrete that is specifically manufactured elsewhere and transported in a Transit Mixer for delivery to the customer's construction site in a ready-to-use freshly mixed state.
RCCMIX can be custom-made to suit different applications. Ready Mixed Concrete is bought and sold by volume - usually expressed in cubic meters.
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Lean concrete has a lower level of cement in it, which is why it’s mostly used for fillings or under the foundations,
to keep it protected from the soil. It keeps the main foundation isolated from moisture and chemicals like sulphates.
Besides the protection, lean concrete is used to lay down a firm spot for the foundation, instead of laying it directly on the soil.
For the rest of the structure, where you don’t use lean concrete, you should use rich concrete,
which has a higher cement concentration. If you want to have a strong and more reliable foundation, then use both types of concrete in the production
High Performance Concrete
High performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. This concrete
contains one or more of cementious materials such as fly ash, Silica fume or ground granulated blast furnace slag and usually a super plasticizer.
High-strength concrete is typically used in the erection of high-rise structures. It has been used in components such as columns (especially
on lower floors where the loads will be greatest), shear walls, and foundations. High strengths are also occasionally used in bridge applications as well.
Fiber Reinforced Concrete
Fiber-reinforced concrete (FRC) is concrete containing fibrous material which increases its structural integrity.
It contains short discrete fibers that are uniformly distributed and randomly oriented.
Fiber is a small piece of reinforcing material possessing certain characteristics properties. They can be circular or flat. The fiber is often described by a convenient parameter called “aspect ratio”.
The aspect ratio of the fiber is the ratio of its length to its diameter. Typical aspect ratio ranges from 30 to 150.
Fiber reinforced concrete (FRC) is concrete containing fibrous material which increases its structural integrity. It contains short discrete fibers that are uniformly distributed and randomly oriented. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers.
Within these different fibers that character of fiber reinforced concrete changes with varying concretes, fiber materials, geometries, distribution, orientation and densities
Smart Dynamic Concrete (SDC)
Smart Dynamic Concrete (SDC) is an innovative concrete that does not require vibration for placing and compaction.
It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement.
The hardened concrete is dense, homogeneous and has the same engineering properties and durability as traditional vibrated concrete.Smart Dynamic Concrete offers a rapid rate of concrete placement,
with faster construction times and ease of flow around congested reinforcement. The fluidity and segregation resistance of SDC ensures a high level of homogeneity, minimal concrete voids and uniform concrete strength, providing the potential for a superior level of finish and durability to the structure.
SDC is often produced with low water-cement ratio providing the potential for high early strength, earlier demoulding and faster use of elements and structures.
Colored Concrete mixed with colored cement or to which pigment has been added during mixing.
One of the most obvious benefits of colored concrete is that it hides stains very well.
Consider the tire, dirt and oil marks left on a standard light gray concrete driveway - ugly. Now, consider how these same stains would be barely seen under the guise of a darker, mottled-color concrete. Much more attractive!.
Another advantage of coloring your concrete is that the process itself often makes the concrete more durable and stain-resistant.
This is a definite advantage to larger and well-used areas.
Of course, the aesthetic properties alone make concrete a great alternative to expensive tile, stone or woodwork for inside spaces.
You can mimic the beautiful textures and colors of natural materials while keeping both your installation and maintenance costs much, much lower.
Finally, there are methods to color existing concrete installations - meaning you do not have to start over to get a completely new look. This saves a tremendous amount of time, effort and money.
Foam concrete, also known as foamed concrete, foamcrete,
cellular lightweight concrete or reduced density concrete,
is defined as a cement based slurry, with a minimum of 20% (per volume) foam entrained into the plastic mortar.
It is a versatile, lightweight, building material, ideal for a wide range of applications. It can have dry densities typically from 400kg/m3 to 1600kg/m3 and compressive strengths varying from one MPa to 15 MPa. To make foamed concrete, special foam is blended into a mixture of sand, cement,
fly ash and water. The quantities of these ingredients can be adjusted depending upon the application, balancing performance and cost.
Self Compacting Concrete (SCC)
Self-Compacting concrete is a highly flowable type of concrete that spreads into the form without the need for mechanical vibration.
Self-compacting concrete is a non-segregating concrete that is placed by means of its own weight. The importance of self-compacting concrete is that maintains all concrete’s durability and characteristics, meeting expected performance requirements.
In certain instances the addition of superplasticizers and viscosity modifier are added to the mix, reducing bleeding and segregation. Concrete that segregates loses strength and results in honeycombed areas next to the formwork. A well designed SCC mix does not segregate, has high deformability and excellent stability characteristics.