SERVICES

LABORATORY TESTS
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Group I Aggregates
Crushed stone and gravel
  • Contents of crushed grains
  • Grain composition (Granulometric analysis)
  • Average volumetric mass
  • Soft rock grain content
  • Humidity
  • Needle and plate-type grains content – Form index
  • Frost resistance
  • Absorption
Group I Aggregates
 Mixes of sand, crushed stone and grave
  • Grain composition (Granulometric analysis)
  • Needle and plate-type grains content – Form index
  • Contents of crushed grains
  • Los Angeles Test (Methods for the determination of resistance to fragmentation)
  • Humidity
  • Average volumetric mass
  • Absorption
  • Bulk density
Group V Soils and gravel foundations
Soils and gravel foundations
  • Grain composition (Granulometric analysis)
  • Ultimate flowability and plasticity of priming
  • California bearing ratio ( CBR)
  • Determination of density and compaction characteristics, by sand replacement method.
  • Dynamic modulus of elasticity
  • Humidity
Group III Asphalt concrete mix and asphalt concrete
Asphalt concrete mix and asphalt concrete
  • Grain composition
  • The amount of bitumen
  • Marshall test (fluctuation, stability)
  • True density
  • Mean density
  • Mean density of the kernel;
  • Water saturation
  • Water resistance
  • Indirect tensile strength (ITS)
  • Compressive strength
  • Residual porosity
  • Tightness between layers
Group I Aggregates
Sand for road construction
  • Grain composition , thickness module and group
  • Humidity
  • Bulk Density
  • Content of dust and clay particles
  • Content of dust and clay particles
  • True Density

Group II Concrete and its products
Solid Concrete

  • Forming a standard sample of concrete
  • Concrete density
  • Strength on contraction
  • Testing of solid concrete with a Schmidt hammer
  • Cutting the cylindrical sample
  • Processing a cylindrical sample
  • Cylindrical sample testing

Group IV Oil products
Bitumen

  • Needle penetration depth (penetration)
  • Ductility (elasticity, viscosity)
  • Brittleness temperature
  • Determination of water quantity
  • Explosion temperature in an open crucible
  • Softening temperature
Group I Aggregates
Mineral poweder
  • Grain composition (Granulometric analysis)
  • Humidity
  • Average volumetric mass
  • True Density

Group II Concrete and its products
Concrete Mix

  • Cone slump
  • Density of the mixture
  • Air content in the mixture

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Group IV Oil products
Bitumen emulsion
  • Conditional viscosity
  • Bitumen and emulsifiers quantity
  • Uniformity
  • Binder file bonding with material

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