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Geotechnical Laboratory Services

RRC’s AASHTO accredited geotechnical laboratory in Round Rock, Texas, is a big-volume capacity, fully equipped laboratory automated for testing soil, rock, and aggregate materials. Both our Round Rock, Texas and Midland, Texas laboratories maintain active accreditations through the AASHTO Accreditation Program. We have in-house quality assurance programs such as AASHTO R-18, ASTM C1077 (Aggregates), and ASTM D3740 (Soil and Rock) to maintain a high level of accuracy and reproducibility in testing services.

Our state-of-the-art laboratories give us the ability to test and evaluate large varieties of raw materials, additives and additional products and materials. Experienced technicians perform the laboratory tests and all testing and evaluations are performed in accordance with ASTM, AASHTO and/or other agency guidelines.

With our geotechnical laboratory services, our clients can be confident their testing needs are being met by certified professionals. Our strong customer service orientation drives us to provide accurate and timely testing results that address our clients’ specific schedule and project needs.

Geotechnical Testing Request & Chain of Custody

Services

Our 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