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CONCRETE. Concrete is classed as a particle composite and is made up of aggregates (small stones) as well as sand and cement. Concretes are generally very good when subjected to compressive loads, e.g. foundations for a building, but very poor when in tension, e.g. when used as a beam that spans a
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1. PARTICLE BASED COMPOSITES
2. CONCRETE Concrete is classed as a particle composite and is made up of aggregates (small stones) as well as sand and cement. Concretes are generally very good when subjected to compressive loads, e.g. foundations for a building, but very poor when in tension, e.g. when used as a beam that spans a distance.