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Materials Laboratory
Geocal’s state of the art testing laboratory participates in round robin proficiency testing sponsored by the State of Colorado, AASHTO’s Materials Reference Laboratory, and the Cement and Concrete Reference Laboratory. Our management and laboratory staff is highly experienced and our laboratory is accredited by AASHTO. Lab procedures are performed in general accordance with ASTM, AASHTO or Colorado Department of Transportation guidelines and all of our services are overseen by a registered engineer.
Representative Laboratory Tests
- Swell Compression
- Time Consolidation
- Soil/Rock Direct Shear
- Unconfined Strength
- Atterberg Limits, Hydrometer & Gradation Analysis
- Standard & Modified Proctors
- Permeability
- Sulfates and Chemical Tests, Electrical Resistivity
- Soil Cement, Lime, & Fly Ash Mix Designs
- R-Value and California Bearing Ratio
- Aggregate Testing – LA Abrasion, Microdeval, Sodium & Magnesium Soundness
- Organic Impurities & Friable Particles
- Asphalt Superpave Mix Designs & Volumetrics
- Marshall Mix Designs & Volumetrics
- Hveem & Marshall Stability
- Asphalt Cement Content
- Lottman & Maximum Specific Gravity
- Concrete Mix Designs, Compressive & Flexural Strengths
- Masonry, Grout & Mortar Strength
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