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Geotechnical Laboratory Services

RRC works with an AASHTO accredited geotechnical laboratory in Round Rock, TX. This big-volume capacity, fully equipped laboratory is automated for testing soil, rock, and aggregate materials. Our partner laboratory in Round Rock, TX maintains active accreditations through the AASHTO Accreditation Program. In-house quality assurance programs, such as AASHTO R-18, ASTM C1077 (Aggregates), and ASTM D3740 (Soil and Rock) maintain a high level of accuracy and reproducibility in testing services. Experienced and certified technicians perform laboratory tests, with all testing and evaluations performed in accordance with ASTM, AASHTO, and TxDOT procedures and standards. Our clients can be confident their testing needs are met by certified professionals. Our strong customer service culture drives us to provide accurate and timely testing results that address our clients’ specific needs.

Services

Partner laboratories offer the following testing services:

Quality Systems
Quality Systems Services: AASHTO R-18, D3740 (Soil and Rock)

Soil
Soil Testing Services: R58, T88, T89, T90, T99, T100, T180, T193, T208, T215, T216, T224, T236, T265, T267, T288, T296, T297, T310, D421, D422, D698, D854 (Specific Gravity), D1140, D1557, D1883 (CBR), D2166, D2216, D2434 (Permeability of Granular Soils), D2435, D2487, D2488, D2850 (UU Triaxial Compression), D2937, D2974 (Organic Content), D3080 (Direct Shear of Soils), D4318, D4546 (1-D Swell or Collapse of Soils), D4643, D4718, D4767 (CU Triaxial Compression), D4829, D4972, D5084 (Hydraulic Conductivity: Flexible Wall Permeameter), D6913, D6938 (Nuclear Density and Moisture Gauge for Soil), D7012 (Compressive Strength of Rock Core Specimens, Method C), G57 (Soil Resistivity Using the Wenner Four-Electrode Method), G187

Aggregate
Aggregate Testing Services: T11, T19, T27, T84, T85, T248, T255, C29, C117, C127, C128, C136, C566, C702

Proficiency Sample Program
Enrolled in the AMRL Proficiency Programs: Coarse Aggregate, Fine Aggregate, Soil Classification and Compaction, and Soil CBR