types of aggregate

Aggregates are essential materials used in construction, providing strength and stability to concrete, asphalt, and other building materials. They are classified based on their size, source, and composition. The main types include coarse aggregates, such as gravel and crushed stone, which offer structural integrity, and fine aggregates, like sand, which fill voids and improve workability. Natural aggregates are sourced from rivers and quarries, while artificial aggregates, such as slag and recycled concrete, are produced through industrial processes. Lightweight aggregates, like expanded clay, are used for insulation, whereas heavyweight aggregates, such as barite, enhance density in specialized applications. The selection of aggregate type depends on project requirements, durability, and environmental impact. Proper grading and quality control ensure optimal performance in construction. Understanding different aggregate types helps in choosing the right materials for foundations, roads, and infrastructure projects, ensuring long-lasting and cost-effective construction solutions.