Laboratory Testing

All testing is conducted according to current ASTM, US Bureau of Reclamation, and Army Corps of Engineers standards.

Soils

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  • Moisture content

  • Dry density

  • Grain size distribution

  • Atterberg limits

  • One-dimensional swell-consolidation

  • Water-soluble sulfate content

  • Direct shear strength

  • Proctor compaction

  • California bearing ratio

  • Permeability

  • Specific gravity

Rock

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  • Unconfined compressive strength

  • Young’s modulus

  • Point load

  • Splitting tensile

  • Los Angeles abrasion



Construction Materials

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  • Concrete compressive strength

  • Asphalt content and compaction

  • Concrete slump, air, unit weight

  • In-place density

  • R-value