• Sample preparation for laboratory tests (ASTM C702-98).
  • Sieve analysis of fine and coarse material (ASTM C136-96).
  • Determination of the percentage of material finer than No. 200 (ASTM C117-95).
  • Determination of optimum density – moisture content (Proctor reference method) (E 105-86/10).
  • Determination of optimum density after compaction with weight (modified Proctor method) (E 105-86/11).
  • California Bearing Ratio Test CBR (E 105-86/12).
  • Sand Equivalent Test (ASTM D 2419-95).
  • Los Angeles Test – resistance to degradation, friction and impact (ASTM C 131-96 & ASTM C 535-96).
  • Deval Test– aggregates’ resistance to degradation, friction and impact (NF P18-577-79).
  • Health test – resistance to erosion (ASTM C 88-99a).
  • Specific gravity and absorption of fine aggregates (ASTM C128-97).
  • Specific Gravity & Absorption of coarse aggregates (ASTM C127-88).
  • Organic test using the method of liquid ignition (AASHTO T 194-87).
  • Tests for geometrical properties of aggregates – Determination of particle size chart – method with sieves (ELOT 933.01-1998).
  • Tests to determine the geometrical characteristics of aggregates – Determination of particle size fractions – testing sieves, nominal size sieves (ELOT 933.02-1996).
  • Tests for general properties of aggregates – methods for reducing laboratory sample size (ELOT 932.02-2000).
  • Tests for geometrical properties of aggregates – determination of the form of grains – plate indicator (ELOT 933.03-1997).
  • Tests for geometrical properties of aggregates – determination of the form of grains – shape indicator (ELOT 933.04-2008).
  • Tests for geometrical properties of aggregates – evaluation of fine fraction (filler) – Sand equivalent test (ELOT 933.08-2000).
  • Testing of mechanical and physical properties of aggregates – determination of grain density and water absorption (ELOT 1097.06-2000).
  • Tests to determine the properties of aggregates after thermal and weather changes – the testing of magnesium sulphate (ELOT 1367.02-1999).
  • Tests for mechanical and physical properties of aggregates – Determination of resistance to degradation (micro – Deval) (ELOT 1097.01-1996).
  • Tests for mechanical and physical properties of aggregates – Methods for determining the resistance to shatter – Los Angeles (ELOT 1097.02-1998).
  • Tests for mechanical and physical properties of aggregates – Determination of bulk density and porous of non-compacted material (ELOT 1097.03-1999).
  • Tests to determine the geometrical characteristic of aggregates – Quality assessment of fine fraction – methylene blue test (ELOT 933.09-1999).