GEOTECHNICAL ENGINEERING SERVICES

We have experience with:

  • Surface and subsurface drainage
  • Pavement analyses and design
  • Bearing capacity analyses
  • Soil stabilization with lime and cement admixtures
  • Undercutting and replacement with engineered fill
  • Stabilization with biaxial and triaxial grids
  • Nuclear density soil compaction testing
  • Construction of sloped embankments
  • Repair of slope faliures and surface sloughs
  • Analyses of bedrock depth and rippability
  • Stabilization with rammed aggregate piers


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We have experience with:

  • Slope stability analyses of proposed, existing, and failing slopes
  • Global stability analyses of earth retaining structures
  • Gravity retaining walls
  • Earth Dams and overflow/drainage systems
  • MSE walls and segmental retaining walls
  • Soil nail walls
  • Thrust block, anchor, and mesh earth retaining systems
  • Secant walls
  • Shotcrete walls
  • Slope keyway and toe key construction
  • Subsurface drainage
  • Slope faliures and surface slough repairs

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We have experience in the design and installation of:

  • Conventional strip, spread, and column pad footings
  • Concrete pier foundations
  • Helical, ACIP, micropile, and timber pier foundations
  • Drilled shafts
  • Mat foundations and heavy equipment pads
  • Rammed aggregate pier foundations
  • Structural fill utilizing borrow fills and engineered aggregate fills
  • Reinforcement steel

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List of Tests Offered:

  • ASTM D-421/AASHTO R58 - Dry Preparation of Soils
  • ASTM D-422/AASHTO T88 - Particle Size Analysis of Soils
  • ASTM D-4318/AASHTO T89 - Determination of the Liquid Limit of Soils
  • ASTM D-4318/AASHTO T90 - Determination of the Plastic Limit and Plasticity Index of Soils
  • ASTM D-698/AASHTO T99 - Moisture-Density Relations of Soils (Proctor Test)
  • ASTM D-2166/AASHTO T208 - Unconfined Compressive Strength of Cohesive Soils
  • ASTM D-2435/AASHTO T216 - One-Dimenstional Consolidation Properties of Soils
  • ASTM D-3080/AASHTO T236 - Direct Shear of Soil Under Consolidated-Drained Conditions
  • ASTM D-2216/AASHTO T265 - Laboratory Determination of Moisture Content of Soils
  • ASTM D-2794/AASHTO T267 - Determination of Organic Content of Soils by Loss on Ignition
  • ASTM D-2850/AASHTO T296 - UU Compressive Strength of Soils in Triaxial Compression
  • ASTM D-4767/AASHTO T297 - CU Triaxial Compression Test on Cohesive Soils
  • ASTM D-4644 - Slake Durability of Shales and Similar Weak Rocks
  • ASTM D-5731 - Determination of the Point Load Strength Index of Rock
  • ASTM D-7012 - Compressive Strength of Rock Core Specimens, Method C

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