Posts

Showing posts from March, 2011

What Is Aggregate? Types, Properties, Uses and Tests in Construction

Image
What Is Aggregate in Construction? Types, Properties, Uses and Tests Aggregate is one of the most important materials used in civil engineering and construction. It consists of natural or manufactured mineral particles such as sand, gravel, and crushed stone. Aggregates are used in concrete, asphalt, road construction, railway works, drainage, foundations, and other infrastructure projects . What Is Aggregate? Aggregate is a collection of mineral particles that are combined with cementitious materials, bitumen, or other binders to produce construction materials. Examples include: Sand Gravel Crushed stone Crushed rock Manufactured aggregates Recycled aggregates In concrete, aggregate makes up a large proportion of the total volume. A simplified concrete composition is: Cementitious material + Water + Fine Aggregate + Coarse Aggregate Types of Aggregate Aggregates can be classified in several ways. 1. Fine Aggregate Fine aggregate generally consists of smaller particles...