Laboratory Testing

Our laboratory, located in State College, is accredited by the AASHTO Accreditation Program. CMT maintains proficiency in laboratory testing, proper management structure, ongoing internal quality control, and equipment calibration. A full list of our AMRL accredited laboratory test can be found here: accreditation-details.

Scope of Services

Although our laboratory functions to support our IBC Special Inspection services, our clients also include quarries, contractors, landfills, and various engineering firms. A complete list of our technical services can be downloaded HERE; however, below is a summary of our more common and popular tests:

Soils and Rock

Standard (ASTM D698) and Modified (ASTM D1557) Proctors
USCS and AASHTO Soils Classifications
Atterberg Limits (ASTM D4318)
Sieve Analyses w/ Hydrometer (ASTM D422)
Direct Shear (ASTM D3080)
California Bearing Ratio (ASTM D1883)
Permeability – Flexible Wall (ASTM D5084)

Minimum Resistivity (AASHTO T288)
Oxidation-Reduction Potential (AASHTO T299)
Triaxial Compression – Unconsolidated Undrained (ASTM D2850)
Triaxial Compression – Consolidated Undrained/Drained (ASTM D4767)
Consolidation (ASTM D2435)
Compressive Strength of Rock Cores (ASTM D7012)
Point Load Testing of Rock (ASTM D5731)

Aggregate

Minus #200 by Wash (ASTM C117)
Dry Sieve (ASTM C136)
Specific Gravity of Fine (ASTM C128) and Coarse Aggregate (ASTM C127)
Sodium Sulfate Soundness (ASTM C88)

LA Abrasion (ASTM C131)
Fractured Particles (ASTM D5821)
Flat and Elongated Particles (ASTM D4791)

Concrete

Compressive Strength of Cylinders (ASTM C39)
Compressive Strength of Concrete Cores (ASTM C42)

Compressive Strength of Shotcrete Cores (ASTM C1140)
Flexural Strength of Concrete Beams (ASTM C78 and C293)

Interested in any of our laboratory testing services? Feel free to fill out this Sample Submission Form and send to cmt@cmtlabsinc.com or call us at (814) 231-8845.

LABORATORY
TESTING