Materials Testing Department:
Validity tests for Concrete or Asphalt.
Sieve analysis for coarse and fine aggregates.
Percentage of fine material by washing.
Unit weight and voids in aggregates.
Elongation and flakiness of coarse aggregates.
Clay lumps and friable particles in aggregates.
Sand equivalent test.
Resistance to degradation using the Los Angeles machine.
Specific gravity and water absorption.