Did you know that concrete is actually a composite material? It’s made up of 3 aggregates: sand, gravel, and crushed stone. These materials are combined with cement and water to create a durable material that can be used for various applications. In this blog post, we will discuss the different types of aggregates used in concrete and how they contribute to its strength and durability.

3 Aggregates of Concrete

Aggregates may be categorized by size, origin, mode of disintegration, and composition. It is critical to understand the many sorts of concrete aggregates and their applications to maximize their benefits during construction. The 3 different aggregates of concrete are:


Sand is a small, granular material often used as an abrasive. It is also a key ingredient in concrete, as it helps to bind the other materials together. Sand typically has a round or angular shape, giving concrete its strength.


Gravel is another type of aggregate that is often used in concrete. It is made up of larger pieces of rock than sand and has a more irregular shape. Gravel can be used to add texture and visual interest to concrete surfaces.

Crushed Stone

Crushed stone is the third type of aggregate that is used in concrete. It is also known as rock dust or screenings. Crushed stone provides both strength and finesse to concrete. It can be used to fill in cracks and voids and provide a smooth finish.

When all of these aggregates are combined, they create a solid composite material that can be used for various applications. Concrete has been used throughout history for everything from buildings and bridges to sidewalks and driveways. It is a versatile material that can be customized to meet the needs of any project.

The Importance of Aggregate Materials for Concrete

As a critical component, aggregates are utilized in various construction materials, including concrete, asphalt, and masonry. Concrete mixes using aggregate ingredients cost less to make and have more excellent resistance. The volume of concrete is made up of crushed aggregates that weigh around 60% to 75% of the total mix.

Freshly mixed and hardened concrete’s properties are significantly altered by crushed aggregates – making it more compact, less permeable (which makes it more water-resistant) and changing its heat retention values. CEMEX offers a large variety of aggregate materials to accommodate the varied demands of our customers.

Because of their properties, aggregate materials are an essential component in the construction and maintenance of roads, sidewalks, parking lots, airport runways, railway tracks, and a variety of buildings and roadways. In reality, the source of aggregates is generally investigated during the design stage of most building projects.

The Bottom Line

If you are planning a concrete project, contact your local concrete supplier to discuss the available aggregate types. They can help you choose the right mix for your project and ensure that you have all the materials you need to get started. Thanks for reading!

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