Lecture 4. Aggregates
particle can be as fine as 5 to 10 microns. Aggregates are classified according to their particle size into: 1. Course aggregates: aggregate particles that are retained on a 4.75 mm sieve (metric No.4). particle size ≥ 5 mm 2. Fine aggregates: aggregate particles that pass a 4.75 mm sieve (No. 4). particle size < 5 mm.
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