Geotechnical

Our engineers have the technical expertise and diligence to keep your project moving forward including:

Geotechnical Engineering

  • Foundation Design Recommendation
  • Supplemental Earthwork Recommendations
  • Installation and Monitoring of Piezometers and Settlement Gauges
  • Slope Stability
  • Retaining Wall
  • Supervision of Reinforced Earth Construction
  • Cement Treated Base or Lime Treated Sub-base

Construction Observation and Testing

  • Grading
  • Driven or Drilled Piles/Caissons
  • Shoring and Underpinning
  • Soil Nailing

Earthwork Testing

  • Standard Proctor & Modified Proctor
  • California Impact Compaction
  • Soil Cement – Moisture/Density
  • Resistance Value (R-Value)
  • California Bearing Ratio (CBR)
  • Sand Equivalent
  • Durability Index

Volume Change Testing

  • Incremental Consolidation
  • Expansion Index
  • Swell Pressure & Percent Swell

Classification Testing

  • Asphalt and Portland Cement
  • Concrete Batch Plant Inspection
  • Moisture Content & USCS Visual Classification
  • Total & Dry Densities
  • Plastic & Liquid Limits (Atterberg)
  • Specific Gravity – Soil & Aggregate
  • Organic Content
  • Sieve Analysis
  • Percent Passing #200 Sieve
  • Particle Size Analysis – Hydrometer
  • Pinhole Dispersion
  • Porosity Determination

Static Strength Testing

  • Unconfined Compression, Soil
  • Unconfined Compression, Rock
  • Triaxial – Unconsolidated Undrained
  • Triaxial – Consolidated Drained
  • Triaxial – Consolidated Undrained
  • Direct Shear, Consolidated Drained

Hydraulic Conductivity & Other Tests

  • Soil Chemistry for Corrosion
  • pH (Soil or Water)
  • Permeability – Flexible Wall/ Constant Head