Ready-mixed concrete is mixed and prepared at a central plant instead of preparing it on-site like general concrete. It has numerous advantages, types and compressive strengths, which we have discussed in this blog post. Read till the end to understand it more.
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Benefits of Ready Mixed Concrete
Cost-effective and time-saving
It is a cost-effective option because it reduces labour costs and saves time. Since it’s prepared off-site and delivered ready to use, it eliminates the need for on-site mixing, reducing labour hours and associated costs.
Recyclable and zero-waste
Ready-mix concrete is completely recyclable, meaning any excess or unused material can be recycled for future use. This contributes to sustainable construction practices and reduces waste.
Tailor-prepared
It can be completely customised according to the specific design requirements of the project. This flexibility ensures that the concrete meets the exact specifications and performance criteria outlined by the project’s engineers and architects.
Mixed in a controlled environment
Ready-mix concrete is mixed in a controlled environment, typically at a batching plant. This controlled environment ensures consistency in quality and reduces the risk of contamination, resulting in a higher-quality end product.
Low environmental impact
Ready-mix concrete generally has lower environmental impacts than its alternatives. The controlled mixing process reduces emissions and waste, while the recyclability of the material further reduces its environmental footprint.
Efficient on-site delivery
It is delivered directly to the project site, where it can be immediately used. This efficient delivery process streamlines the construction process, minimising delays and ensuring a smoother and faster project timeline.
Different Types of Ready Mixed Concrete
Ready Mixed Concrete Essex has three further types, which are described below:
Central mixed concrete
This concrete mix is prepared in a batching plant before transportation. That is why it is also called central batching plant concrete. After its preparation, it is transferred into a truck mixer which keeps agitating the concrete by revolving on a very low RPM to prevent the concrete from setting.
Shrink mixed concrete
This concrete is mixed partially inside a batching plant before being transferred to a transit mixer for balance mixing. The amount of mixing on the plant and in the transit mixer can vary from project to project based on the workability requirements of the concrete.
Transit mixed concrete
In this type of concrete mix, all the ingredients are properly added and mixed inside a truck mixer. This concrete mix is also known as dry-batched concrete. In this method, the transit mixer rotates at a high RPM to ensure the concrete is mixed properly. It is further divided into three types:
- Concrete mixed in the yard
- Concrete mixed on-site
- Concrete mixed in transit
Different Grades of Ready-mixed Concrete
Grade C10
This grade has a strength of 10 Newtons per square millimetre and is commonly used for non-structural work, patios, and pathways. It’s suitable for applications where moderate strength is sufficient.
Grade C15
With a compressive strength of 15 Newtons per square millimetre, Grade C15 is popular for kerbs and floor bindings. It offers slightly higher strength compared to C10 and can be used for slightly more demanding applications.
Grade C20
Primarily used in domestic slab foundations, Grade C20 also finds application in garage floors and driveways where the load is relatively lighter. It has a compressive strength of 20 Newtons per square millimetre.
Grade C25
This grade, with a compressive strength of 25 Newtons per square millimetre, is used in the foundation of both commercial and domestic buildings where efficient support is required. It offers higher strength compared to previous grades.
Grade C30
Suitable for pathways and roadways accommodating heavy vehicles, Grade C30 has a compressive strength of 30 Newtons per square millimetre. It’s designed to withstand heavier loads and severe weather conditions.
Grade C35
With a compressive strength of 35 Newtons per square millimetre, Grade C35 is commonly used for pillars in commercial buildings that need to withstand heavy loads. It offers even higher strength compared to previous grades.
Grade C40
This concrete is mostly used in mega construction projects to construct sturdy foundations, frames and other crucial support systems. Grade C40 concrete has a compressive strength of 40 newtons per square millimetre and can be used in chemically aggressive environments as well.
