GSG Consultants, Inc

Laboratory Testing

Our accredited laboratory provides a full range of soil and concrete testing services to support safe, reliable, and cost-effective construction.  We are accredited by:

• • • AASHTO Resource
    • The Illinois Department of Transportation (IDOT)
    • S. Army Corps of Engineers

These accreditations ensure that our testing procedures, staff qualifications, and quality management systems meet rigorous standards, giving our clients confidence in every result. With advanced equipment, experienced staff, and a commitment to accuracy, we deliver dependable results that help engineers, contractors, and project managers make confident decisions.

Soil Testing Services

Our soil testing program is designed to evaluate site conditions, verify construction quality, and support long-term performance. Capabilities include:

• • • Soil Classification and Moisture
    • Consolidation Testing
    • Triaxial Compression Consolidated or Unconsolidated
    • Soil Permeability Testing
    • Particle Size Analysis of Soil (Hydrometer)
    • Unconfined Compressive Strength of Soil and Rock
    • Mix Design for Soil Stabilization
    • Determining the Liquid and Plastic Limit
    • Moisture Density Relation of Soil Using Proctor Rammer
    • Chloride and Sulfate of Soil
    • pH of Soil for Corrosion Testing
    • Soil Resistivity
    • Thermal and Conductivity Testing

Concrete Testing Services

We provide comprehensive concrete testing services to verify material quality, structural performance, and compliance with project specifications. Capabilities include:

• • • Fresh Concrete Testing
    • Compressive Strength Testing
    • Core Sampling and Evaluation
    • Pavement Coring