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What is Roller Compacted Concrete (RCC) ?

Roller Compacted Concrete

Roller Compacted Concrete, also known as RCC, is a type of concrete that is compacted by a roller instead of being vibrated. The main advantage of RCC over traditional concrete is that it is much denser and less likely to settle or crack over time. Roller Compacted Concrete  is typically used in the construction of dams, highways, and other large infrastructure projects.

Application of RCC

When applying the Roller Compacted Concrete (RCC), it is important to first create a foundation that is level and compact. Once the foundation is prepared, the concrete can be brought in and spread evenly across the surface using a roller. It is important to make sure that the concrete is compacted properly in order to avoid any issues later on. It is also important to ensure that the concrete is evenly spread and that there are no air pockets to prevent cracking.

 

(Image by Myersconcrete.com)

Mix Design Of Roller Compacted Concrete

The mix design of Roller Compacted Concrete is a process whereby the proportions of the various ingredients in the concrete mix are proportioned and mixed so as to produce a product that meets the specified engineering requirements. The main ingredients in Roller Compacted Concrete are cement, aggregate, water, and admixtures. The first step in the mix design process is to determine the desired properties of the finished product. The next step is to select the appropriate materials and proportions that will produce the desired results.

 

The mix ratio is calculated based on the maximum aggregate size, the workability of the concrete, and the compressive strength desired. The water-cement ratio is also taken into account, as this will affect the strength and workability of the concrete.

 

It is important to use less water in roller compacted concrete because it increases the strength of the concrete and decreases the amount of shrinkage that occurs when the concrete dries. Additionally, using less water also makes the concrete more resistant to freeze-thaw cycles.

The Importance Of Correct Concrete Mixer Selection for RCC

The twin shaft mixer is a very important piece of equipment in the production of Roller Compacted Concrete (RCC). The twin shaft mixer allows for a more homogenous mix of the concrete ingredients, resulting in a stronger and more durable final product. Additionally, the twin shaft mixer provides a more efficient mixing process, which reduces the overall production time and costs.

 

The twin shaft mixer is an important piece of equipment in the production of Roller Compacted Concrete (RCC). RCC is a type of concrete that is compacted using rollers. This type of concrete is often used in the construction of dams, roads, and other large projects. The twin shaft mixer helps to produce a homogeneous mix by thoroughly mixing the various ingredients together. This type of mixer is also very efficient, which helps to keep production costs down.

 

It is important to use durable wearing parts in twin shaft mixers for mixing Roller Compacted Concrete because Roller Compacted Concrete is a very dense and abrasive material. If the mixer is not properly outfitted with durable parts, it will not be able to withstand the wear and tear of mixing this type of concrete, and will need to be replaced much sooner than if it were equipped with more durable parts.

RCC Batching Plants

The concrete batching plant is a vital part of the Roller Compacted Concrete process. The plant must be able to produce concrete of the correct consistency and quality, in order to meet the specific requirements of Roller Compacted Concrete. 

 

There are many factors to consider when selecting concrete batching plants for roller compacted concrete, such as the desired output, the nature of the project, mix design and the specific site conditions. Various types of batching plants exist, each with its own advantages and disadvantages. Don't hesitate to contact our trained staff to build the most suitable concrete batching plant for your RCC projects.

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