What is the Most Commonly Used Aggregate in Construction?

When it comes to construction, the most commonly used aggregate is 20 mm in size. This size is preferred due to its ability to reduce the amount of cement and water needed. Aggregates are a fundamental material used in construction, making up more than 90% of asphalt pavement and up to 80% of a concrete mix. On average, 38,000 tons of aggregates are needed to build a mile of lane of an interstate highway.

Building an average house requires 400 tons of aggregate, while the average size of a school or hospital requires 15,000 tons. Aggregates are widely used in the construction industry due to their ability to provide strength, bulk, and other properties to construction materials such as asphalt and concrete. Aggregate categories include gravel, sand, recycled concrete, slag, topsoil, ballast, type 1 MOT, and geosynthetic aggregates (synthetic products commonly used in civil engineering projects used to stabilize terrain). Commonly used aggregates include sand, crushed or broken stone, gravel (pebbles), broken blast furnace slag, boiler ash (clinker), burnt shale, and burnt clay.

Aggregates are essential for any construction project as they provide the foundation for roads, bridges and buildings. They are also necessary for creating a strong and durable structure that can withstand the test of time. With so many different types of aggregates available, it is important to choose the right one for your project in order to ensure the best results.

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