Geotechnical Services - Lab Testing

  • Moisture Content  (AASHTO T265 / ASTM D2216 )*
  • Moisture Content- Rapid Method - Speedy (AASHTO T-217 / ASTM D4944)
  • Plasticity Index (AASHTO T89 & T90 / ASTM D4318 ) | Plastic Limit (PL) & Liquid Limit (LL)*
  • Specific Gravity (AASHTO T100 / ASTM D854 )*
  • Dry Preparation of Samples (AASHTO R-58 / ASTM D421)*
  • Hydrometer & Sieve Anaylsis (AASHTO T-88 / ASTM D422)*
  • Grain-Size Analysis Granular Soil Materials (through #200) (AASHTO T-311) 
  • Sieve Analysis with Wet Sleeve (ASTM D6913)
  • Wet Sieve (% passing #200) (ASTM D1140)*
  • Density & Unit Weight of Soil in Place by Sand-Cone Method (AASHTO T-191 / ASTM D1556)
  • Standard Proctor (AASHTO T-99 / ASTM D698)*
  • Modified Proctor (AASHTO T-180 / ASTM D1557 )*
  • Correction of Natural Density for Oversize Particles (ASTM D4718)
  • Moisture-Density Relations of Soil-Lime Mixtures 
  • Unit Weight of Soil (Direct Measure with and without wax) (AASHTO T-233 / ASTM D7263)
  • Nuclear Density and Moisture Gauge for Soil (AASHTO T-310 / ASTM D6938)*
  • Soil Classification (AASHTO M145 / ASTM D2487 )*
  • Description & Identification of Soils (Visual-Manual) (ASTM D2488)*
  • Unconfined Compression (AASHTO T-208 / ASTM D2166)*
  • 3D Consolidation (Triaxial Method)
  • Expansion Index (ASTM D4829)
  • California Bearing Ratio (ASTM T-193  /  ASTM D1883 ) (CBR)*
  • Direct and Residual Shear Testing (AASHTO T-236 / ASTM D3080)*
  • Unconsolidated– Undrained 3pts (Q, UU) (AASHTO T-296 /
    ASTM D2850 )*
  • Consolidated– Undrained 3pts (R, CU) (AASHTO T-297 / ASTM D4767 )*
  • Consolidated - Drained 3pts (CD) (ASTM D7181)
  • Dynamic Cone Penetrometer (ASTM D6951)*
  • pH (AASHTO T-289 / ASTM D4972)
  • Soil Resistivity (AASHTO T-288 / ASTM G57 / G187)*
  • Organic Content in Soils by Loss on Ignition (AASHTO T-267 / ASTM D2974)*
  • Sulfate Content in Soil (AASHTO T-290 / ASTM TxDOT) 
  • Chloride Content in Soil (AASHTO T-291 / ASTM TxDOT)
  • Unconfined Compressive Strength of Soil-Cement Mixture (ASTM D1633)
  • Moisture-Density Relationship of Soil-Cement Mixtures (AASHTO T-134 / ASTM D558)*
  • Unconfined Compressive Strength of Soil-Lime Mixture (AASHTO T-220 / ASTM D5102) 
  • Wet-Dry Durability of Soil-Cement Mixture (AASHTO T-135 / ASTM D559)
  • Freeze-Thaw Durability of Soil-Cement Mixture (AASHTO T-136 / ASTM D560)
  • Asphalt Content by Ignition Method (AASHTO T-308 / ASTM D6307 )*
  • Specific Gravity & Density (AASHTO T-166 / ASTM D2726) (SSD Specimens, Gmb)*
  • Maximum Theoretical Specific Gravity (AASHTO T-209 / ASTM D2041 ) (Rice, Gmm)*
  • Thickness of Asphalt Cores (ASTM D3549 )
  • Preparation of Asphalt Mixtures - Prepared by Marshall Apparatus (AASHTO R68 / ASTM D6926 )*
  • Marshall Stability & Flow of Hot Mix Asphalt (AASHTO T-245 / ASTM D6927 )*
  • Percent Air Voids in Bituminous Paving Mixtures (AASHTO T-269 / ASTM D3203)*
  • Specific Gravity & Density-Paraffin (AASHTO T-275 / ASTM D1188)*
  • Moisture Content of HMA by Oven (AASHTO T-329)*
  • Density of Bituminous Concrete In Place by Nuclear Methods (AASHTO T-355 / ASTM D2950)*
  • Aggregate Gradation (AASHTO T-27 / ​ASTM C136 )*
  • Material Passing No. 200 - Sieve/ Decantation (AASHTO T-11 / ASTM C117 )*
  • Specific Gravity & Absorption (AASHTO T-84 & T85 / ASTM C127 & C128)*
  • Sand Equivalency (AASHTO T-176  /  ASTM D2419 )
  • Sieve Analysis of Extracted Aggregate (AASHTO T-30 / ASTM D5444)*
  • Moisture Content of Aggregate by Oven Drying (AASHTO T-255 / ASTM C566)*
  • Organic Impurities in Fine Aggregates for Concrete (AASHTO T-21 / ASTM C40)
  • Compressive Strength of Rock Cores (Method C without D4543 preparation) (ASTM D7012)*
  • Slake Durability (ASTM D4644)
  • Compressive Strength (AASHTO T-24 / ASTM C39)
  • Slump of Hydraulic-Cement Concrete (ASTM C143)
  • Air Content (Pressure Meter) (ASTM C231)
  • Making and Curing Concrete Test Specimens in the Field (ASTM C31)
*Accredited
Contact Us