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Field Testing Services

Working closely with our clients, GTX maintains open lines of communication reducing any surprises which may arise. This combination of field expertise and knowledge, backed by our supervising engineers and full-service, quick responding testing laboratories provide the best overall value to any project team.

Our field personnel are certified with OSHA 40 hour HAZWOPER training, 10 hour OSHA occupational safety & health training, HAZMAT Certification - U.S. DOT & IATA, Geosynthetic Certification Institute - Inspection Certification Program, Certified Construction Quality Assurance (CQA), Geosynthetic Materials Inspector & Compacted Clay Liner Inspector, NICET, ACI, Troxler Radiation Safety and more depending upon project requirements. GTX technicians have the training and the experience required to help get the project completed in accordance with specifications, playing a vital role on our client's team.

field testing

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Found (34)

Test Method Standard Test Property Keywords
3rd Party CQA MSE Wall Installation Inspection N/A Installation oversight MSE wall, mechanically stabilized earth, reinforced soil slope, berms, 3rd party, CQA inspection, installation oversight, construction quality assurance Details
3rd Party QA/QC Installation Inspection N/A Geosynthetics Installation Inspection geosynthetics installation monitoring, 3rd party QA inspection, Details
Third Party Geosynthetic Installation Monitoring GTX QA 3rd party, installation, monitoring, QA, geosynthetic Details
Standard Test Method for Field Measurement of Soil Resistivity Using the Wenner Four Electrode Method ASTM G57 Electrical Resistivity electrical resistivity, corrosion Details
Standard Test Method for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) ASTM D6938 Dry density and moisture content of in-situ soil Nuclear, density, compaction, gauge Details
Standard Test Method for Field Measurement of Hydraulic Conductivity Limits of Porous Materials Using Two Stages of Infiltration from a Borehole ASTM D6391 Hydraulic Conductivity, Flow Rate coefficient of permeability; hydraulic conductivity, infiltration rate; infiltrometer, Boutwell, flow rate, field Details
Standard Test Method for Particle Size Analysis of Natural and Man-Made Rip Rap Materials ASTM D5519 Grain Size rip rap, grain size, particle size Details
Standard Test Method for Field Measurement of Infiltration Rate Using a Double-Ring Infiltrometer With A Sealed Inner Ring ASTM D5093 Permeability, Flow Rate coefficient of permeability; hydraulic conductivity, infiltration rate; infiltrometer, double-ring, flow rate Details
Standard Test Method for CBR (California Bearing Ratio) of Soils in Place ASTM D4429 Field CBR value Field CBR, California, Bearing, Ratio, Pavement Design Details
Standard Test Method for Density of Bentonitic Slurries ASTM D4380 Density density, Bentonite, slurry, mud, balance Details
In-Plant Sampling ASTM D4354 In-plant sampling In-plant sampling; geosynthetic sampling; manufacturer; 3rd party sampling; independent sampling; Details
Standard Test Method for Infiltration Rate of Soils in Field Using Double-Ring Infiltrometer ASTM D3385 Permeability, Flow Rate coefficient of permeability; hydraulic conductivity, infiltration rate; infiltrometer, double-ring, flow rate Details
Standard Test Method for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth) **This test method has been replaced by ASTM D6938 ASTM D3017 Moisture content of in-situ soil Nuclear, density, compaction, gauge, moisture Details
Standard Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth) **This test method has been replaced by ASTM D6938 ASTM D2922 Wet density of in-situ soil Nuclear, density, compaction, gauge Details
Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes ASTM D1587 Sampling Sampling, soil exploration, undisturbed Details
Standard Test Method for Density and Unit Weight of Soil in Place by the Sand-Cone Method ASTM D1556 Dry density and moisture content of in-situ soil sand cone, density, compaction Details
Standard Test Method for Repetitive Static Plate Load Tests of Soils and Flexible Pavement Components **ASTM has discontinued this method ASTM D1195 bearing load plate load Details
Standard Test Method for Bearing Capacity of Soil for Static Load and Spread Footings **ASTM has discontinued this method ASTM D1194 Bearing Capacity, Load, Settlement Bearing capacity, bearing plate, deflection, settlement Details
Standard Test Method for Sand Content by Volume of Bentonitic Slurries ASTM D 4381 Sand Content Bentonite, sand, content, slurry Details
Standard Practice for Making and Curing Concrete Test Specimens in the Field ASTM C31 Making and curing concrete test specimens compressive strength, concrete, cylinders Details
Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method ASTM C231 Air content Air content, concrete Details
Standard Practice for Sampling Freshly Mixed Concrete ASTM C172 Sampling concrete fresh mix, concrete, sampling Details
Test Method for Slump of Hydraulic Cement Concrete ASTM C143 Slump, workability slump, concrete, workability Details
Standard Test Method for Temperature of Freshly Mixed Portland Cement Concrete. ASTM C1064 Temperature temperature, concrete Details
Filtrate Loss of Bentonitic Slurries API 13 Filtrate Loss filtrate loss, marsh funnel Details
Viscosity of Bentonitic Slurries API 13 Viscosity viscosity Details
In-Place Density and Moisture Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) AASHTO T 310 Density and Moisture content in-place density, nuclear gauge, field, Troxler, Seaman Details
Standard Method of Test for Temperature of Freshly Mixed Hydraulic Cement Concrete AASHTO T 309 Temperature temperature, concrete Details
Standard Method of Test for Making and Curing Concrete Test Specimens in the Field AASHTO T 23 Making and curing concrete test specimens compressive strength, concrete, cylinders Details
Standard Method of Test for Repetitive Static Plat Load Tests of Soils and Flexible Pavement Components for Use in Evaluation and Design of Airport and Highway Pavements AASHTO T 221 bearing load plate load Details
Standard Method of Test for Thin-Walled Tube Sampling of Soils AASHTO T 207 Sampling Sampling, soil exploration, undisturbed Details
Standard Method of Test for Density of Soil In-Place by the Sand-Cone Method AASHTO T 191 In-place density and unit weight sand cone, density, compaction, in-place density Details
Standard Method of Test for Air Content of Freshly Mixed Concrete by the Pressure Method AASHTO T 152 Air content Air content, concrete Details
Standard Method of Test for Slump of Hydraulic Cement Concrete AASHTO T 119 Slump, workability slump, concrete, workability Details