Soils Laboratory Testing

Group Delta Consultants has in-house geotechnical soils testing laboratory facilities to conduct a variety of tests on soils and other building materials. Our laboratories are equipped with state-of-the-art equipment to perform tests in accordance with the American Society of Testing and Materials (ASTM) and other applicable standards. Our laboratories are certified by Caltrans, AASHTO, and the City of Los Angeles. Our service capabilities in geotechnical laboratory testing include the following tests:

• Moisture Content
• Dry Density
• Maximum Density & Optimum Moisture Content
• Specific Gravity
• Atterberg Limits
• Sieve Analysis
• Hydrometer Analyses
• Sand Equivalent
• Corrosion Potential (ph, Sulfate, Chloride, Resistivity)
• Consolidation/Collapse
• R-Value
• California Bearing Ratio (CBR)
• Los Angeles Abrasion
• Shear Shrinkage
• Swell Expansion Index
• Direct Shear