Jacobi Geotechnical Engineering


Jacobi Geotechnical Engineering, Inc. (JGE) was started by Carl Jacobi in 1999. Carl has over 35 years of geotechnical engineering and material testing experience. Services are provided in the St. Louis metropolitan area, including mid-Missouri and western Illinois.

    Geotechnical Engineering Services
  • Exploration Reports for buildings, commercial and residential developments, roads, and bridges
  • Shallow and Deep Foundation studies
  • Soil Stabilization
  • Slope Stability Analysis
  • Shoring Design
  • Pavement Design
  • Segmental Retaining Wall Designs
  • Settlement Analysis
  • Earthen Dam Design
  • Plan Review
  • Forensic Evaluations
  • Borrow Pit Evaluations
    Construction Testing and Observations
  • Drilling Explorations
  • Backhoe Test Pits
  • Stockpile Sampling
  • Soil Resistivity
  • Settlement Monitoring
  • Pavement and Slab Coring
  • Nuclear Gauge Density Testing
  • Pile/Pier Installation Observation
  • Footing Subgrade Observation
  • Field Concrete Testing
  • Field Asphalt Testing
    Laboratory Testing
  • Moisture Content Tests
  • Atterberg Limits Tests
  • Moisture-Density Relationships
  • Unconfined Compression Tests
  • Triaxial Compression Tests
  • Direct Shear Tests
  • Consolidation / Swell Tests
  • Grain Size Distribution Tests
  • Concrete Compression Tests
  • Giddings GSRPST auger drill rig - trailer mounted
  • Continuous flight augers
  • Shelby tube samplers
  • Shear vane apparatus
  • Concrete and Asphalt Coring Equipment
  • By Subcontract
    • ATV and truck-mounted rigs
    • Split spoon sampling
    • Rock coring