Learn aggregate crusher before, we must first understand what is aggregate. Aggregate, that is, from the skeleton in concrete or filling loose granular material. different types aggregate crushers different types aggregate crushers different types aggregate crushers. Used rock crushers for aggregate and mining .Jul 18, 2021 Crushing Value Test of Aggregates – Importance, Procedure, and Standard limits. The aggregate crushing value test on coarse aggregates gives a relative measure of an aggregate under a gradually applied compressive load. It is a numerical index of the strength of the aggregates. This test is helpful in the construction of roads and pavements.