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Laboratory Soil Testing

GTX's fully equipped laboratories perform more than 100 different soils tests to determine physical properties. We provide these services in support of all types of earthwork applications. Our automated equipment permits us to run any type of consolidation, triaxial, or direct shear test a client specifies. GTX's procedures are designed to follow published standards while being flexible enough to alter equipment and procedures to test unusual or unique materials. GTX participates in ASTM International improving existing standards, developing new standards, and assessing the accuracy of existing standards.

soil testing triaxial cell

Bender element embedded in base of triaxial cell for measuring P- and S-waves during test

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Found (105)

Test Method Standard Test Property Keywords
Standard Method of Test for Specific Gravity of Soils AASHTO T 100 Specific Gravity Specific gravity Details
Moisture-Density Relations of Soil-Cement Mixtures AASHTO T 134 Maximum dry density, optimum moisture content maximum density, optimum moisture content, compaction characteristics, treatability, solidification, bench-scale Details
Wetting-and-Drying Test of Compacted Soil-Cement Mixtures AASHTO T 135 Soil-cement Loss and volume change wet, dry, soil-cement, treatability, solidification, bench-scale Details
Freezing-and-Thawing Test of Compacted Soil-Cement Mixtures AASHTO T 136 Soil-cement Loss and volume change freeze-thaw, soil-cement, treatability, solidification, bench-scale Details
Standard Method of Test for Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in.) Drop AASHTO T 180 Maximum dry density, optimum moisture content Compaction, density, modified effort, modified proctor test, moisture-density curves, soil compaction Details
Standard Method of Test for The California Bearing Ratio AASHTO T 193 CBR California bearing ratio, pavement subgrade, subgrade, pavement subbase, subbase, pavement base course, base course, pavement design, flexible pavements, bearing ratio Details
Standard Method of Test for Unconfined Compression Strength of Cohesive Soil AASHTO T 208 Strength, stress-strain relationship Cohesive soil, sensitivity, strain-controlled loading, strength, stress-strain relationships, unconfined compression Details
Standard Method of Test for Permeability of Granular Soil (Constant Head) AASHTO T 215 Coefficient of Permeability Constant head, granular, permeability Details
Standard Method of Test for One-Dimensional Consolidation Properties of Soils AASHTO T 216 Coefficient of Consolidation Compressibility, compression curves, consolidation, consolidation coefficient, consolidation test, consolidometer, preconsolidation pressure, primary consolidation, rebound, secondary compression, settlement, swelling Details
Standard Method of Test for Density of Soil In-Place by Block, Chunk, or Core Sampling AASHTO T 233 Dry unit mass, in-place density Density, In-place density, block, chunk, core sampling Details
Standard Method of Test for Direct Shear Test of Soils Under Consolidated Drained Conditions AASHTO T 236 Shear Strength, Mohr's strength envelope Compacted specimens, consolidated, direct-shear test, drained test conditions, Mohr strength envelope, shear strength, undisturbed Details
Standard Method of Test for Laboratory Determination of Moisture Content of Soils AASHTO T 265 Moisture content, water content Moisture content, water content Details
Standard Method of Test for Determination of Organic Content in Soils by Loss on Ignition AASHTO T 267 Percent organic matter Organic content Details
Standard Method of Test for Determining Minimum Laboratory Soil Resistivity AASHTO T 288 minimum soil resistivity, minimum soil electrical resistivity resistance, soil resistance, soil resistivity, electrical resistivity, electrical conductivity, conductivity Details
Standard Method of Test for Determining Sulfate Ion Content in Soil AASHTO T 290 Sulfate content Sulfates, corrosion, corrosivity Details
Standard Method of Test for Determining Chloride Ion Content in Soil AASHTO T 291 Chloride content Chlorides, corrosion, corrosivity Details
Standard Method of Test for Unconsolidated, Undrained Compressive Strength of Cohesive Soils in Triaxial Compression AASHTO T 296 Undrained Strength Cohesive soil, lateral confinement, strain-controlled loading, stress-strain relationships, total stresses, unconsolidated undrained strength, UU, triaxial, shear Details
Standard Method of Test for Consolidated, Undrained Triaxial Compression Test on Cohesive Soils AASHTO T 297 Strength, Stress-strain relationship back pressure saturation, cohesive soil, consolidated undrained strength, strain-controlled loading, stress-strain relationships, total and effective stresses, CU, triaxial, pore-pressure Details
Standard Method of Test for Determining the Resilient Modulus of Soils and Aggregate Materials AASHTO T 307 Resilient modulus, permanent strain Resilient, modulus, base/subbase, subgrade, flexible testing, cyclic loads, permanent strain. Details
Standard Method of Test for Grain-Size Analysis of Granular Soil Materials AASHTO T 311 Grain size Grain size, particle-size, sieve analysis Details
Standard Method of Test for Particle Size Analysis of Soils AASHTO T 88 Grain size Grain size, particle-size, sieve analysis, hydrometer analysis Details
Standard Method of Test for Determining the Liquid Limit of Soils AASHTO T 89 Liquid Limit Liquid Limit, Atterberg Limits, Limits Details
Standard Method of Test for Determining the Plastic Limit and Plasticity Index of Soils AASHTO T 90 Plastic Limit Plastic Limit, Atterberg Limits, Limits Details
Standard Method of Test for Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop AASHTO T 99 Maximum dry density, optimum moisture content Compaction, density, modified effort, modified proctor test, moisture-density curves, soil compaction Details
Standard Method of Test for Determining pH of Soil for Use in Corrosion Testing AASHTO T289 pH pH, corrosion Details
Standard Test Methods for Amount of Material in Soils Finer Than the No. 200 (75-µm) Sieve ASTM D1140 % finer than #200 sieve Percent finer, particle size analysis, sieve analysis, washing, fines, % passing #200 Details
Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort ASTM D1557 Maximum dry density, optimum moisture content Compaction, density, modified effort, modified Proctor test, moisture-density curves, soil compaction, Proctor Details
Standard Practice for Making and Curing Soil-Cement Compression and Flexure Test Specimens in the Laboratory ASTM D1632 Making and curing soil-cement test specimens curing, soil-cement, mixing, compression strength, treatability, solidification, bench-scale Details
Standard Test Method for Compressive Strength of Molded Soil-Cement Cylinders ASTM D1633 Compression strength soil-cement, unconfined compression strength, treatability, solidification, bench-scale Details
Standard Test Method for CBR (California Bearing Ratio) of Laboratory-Compacted Soils ASTM D1883 CBR California bearing ratio, pavement subgrade, subgrade, pavement subbase, subbase, pavement base course, base course, pavement design, flexible pavements, bearing ratio, CBR Details
Standard Test Method for Unconfined Compressive Strength of Cohesive Soil ASTM D2166 Strength, stress-strain relationship cohesive soil, sensitivity, strain-controlled loading, strength, stress-strain relationships, unconfined compression Details
Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. ASTM D2216 Moisture content, Water content index property, moisture analysis, moisture content, water content Details
Standard Practice for Wet Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants **ASTM has discontinued this method ASTM D2217 Sample preparation Dry preparation, particle size analysis Details
Standard Test Method for Capillary-Moisture Relationships for Coarse- and Medium-Textured Soils by Porous-Plate Apparatus **ASTM has discontinued this method; the new industry-accepted standard test method is now ASTM D6836 ASTM D2325 Capillary-Moisture Relationship Capillary-moisture, porous-plate Details
Standard Test Method for Permeability of Granular Soils (Constant Head) ASTM D2434 Coefficient of Permeability Constant head, granular, permeability, fixed wall permeability, hydraulic conductivity Details
Standard Test Method for One-Dimensional Consolidation Properties of Soils ASTM D2435 Coefficient of Consolidation Compressibility, compression curves, consolidation, consolidation coefficient, consolidation test, consolidometer, preconsolidation pressure, primary consolidation, rebound, secondary compression, settlement, swelling Details
Standard Classification of Soils for Engineering Purposes ASTM D2487 Soil Classification Atterberg limits, classification, clay, gradation, gravel, laboratory classification, organic soils, sand, silt, soil classification, soil tests, USCS Details
Standard Practice for Description and Identification of Soils (Visual-Manual Procedure) ASTM D2488 Soil Identification Classification, clay, gravel, organic soils, sand, silt, soil classification, soil description, visual classification Details
Standard Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils ASTM D2850 Undrained Strength Cohesive soil, lateral confinement, strain-controlled loading, stress-strain relationships, total stresses, unconsolidated undrained strength, UU, triaxial, shear Details
Standard Test Method for Density of Soil in Place by the Drive-Cylinder Method ASTM D2937 Density Compaction control, density testing, drive cylinder, drive cylinder test, field density, in-place density, plug sampler, quality control, subsurface sampler, surface sampler, unit weight Details
Standard Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils. ASTM D2974 Moisture content, ash content, organic matter content Moisture content, Ash content, organic content Details
Test Method for pH of Peat Materials ASTM D2976 pH Peat, pH, water penetration, water retention Details
Standard Test Method for Volume Weights, Water-Holding Capacity, and Air Capacity of Water-Saturated Peat Materials ASTM D2980 Saturated Volume Weights Peat, water, water retention Details
Standard Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions ASTM D3080 Shear Strength, Mohr's strength envelope Compacted specimens, consolidated, direct-shear test, drained test conditions, Mohr strength envelope, shear strength, undisturbed Details
Standard Test Method for Capillary-Moisture Relationships for Fine-Textured Soils by Pressure-Membrane Apparatus **ASTM has discontinued this method; the new industry-accepted standard test method is now ASTM D6836 ASTM D3152 Capillary-Moisture Relationship Capillary-moisture, fine textured soils, pressure-membrane Details
Standard Test Methods for Determining Sediment Concentrations in Water Samples ASTM D3977 Sediment Concentrations Sediment, concentration Details
Standard Test Methods for the Determination of the Modulus and Damping Properties of Soils Using the Cyclic Triaxial Apparatus ASTM D3999 Young's Modulus and damping ratio, axial strain Damping, triaxial stress, cyclic test, dynamic, cyclic triaxial, modulus Details
Standard Test Methods for Modulus and Damping of soils by the Resonant-Column Method ASTM D4015 Young's Modulus and damping ratio, axial strain amplitude, confining pressure, damping. dynamic loading, elastic waves, elasticity modulus, frequency, resonance, shear tests, torsional oscillations, triaxial stress, vertical oscillations, vibrations, Young's modulus, dynamic, torsional shear Details
Standard Test Method for One-Dimensional Consolidation Properties of Soils Using Controlled-Strain Loading ASTM D4186 Coefficient of Consolidation Compressibility, compressibility coefficient, CRS, consolidation coefficient, consolidation test, consolidometer, pre-consolidation stress, settlement Details
Standard Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants ASTM D421 Sample preparation Dry preparation, particle size analysis, soil Details
Standard Test Method for Particle-Size Analysis of Soils ASTM D422 Grain Size Grain size, hydrometer analysis, hygroscopic moisture, particle-size, sieve analysis Details
Standard Test Method for Dispersive Characteristics of Clay Soil by Double Hydrometer ASTM D4221 Percent Dispersion Clays, deflocculation, dispersion, dispersion clay, erosion, hydrometer analysis, jugging, particle size, piping. Details
Standard Test Methods for Maximum Index Density and Unit Weight of Soils Using a Vibratory Table ASTM D4253 Maximum index density, maximum unit weight Maximum index density, maximum index unit weight, relative density, vibrating table Details
Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density ASTM D4254 Minimum index density, minimum unit weight Minimum index density, minimum index unit weight, relative density Details
Standard Test Methods for Liquid Limit, Plastic Limit and Plasticity Index of Soils ASTM D4318 Liquid Limit, Plastic Limit, Plasticity Index Atterberg Limits, liquid limit, plasticity index, plastic limit, limits. Details
Standard Test Method for Rapid Determination of Carbonate Content of Soils ASTM D4373 Calcium Carbonate Content Calcareous soils, carbonate content, marine soils Details
Standard Practice for X-Ray Radiography of Soil Samples ASTM D4452 X-Ray Images X-Ray, Shelby tube, radiography, images Details
Standard Test Methods for Bulk Density of Peat and Peat Products. ASTM D4531 Density bulk density, core sampling, paraffin-wax displacement method, peat, peat products Details
Standard Test Methods for One-Dimensional Swell or Settlement Potential of Cohesive Soils ASTM D4546 Compression index, swell index Expansive soil, heave, settlement, swell pressure, swell index Details
Standard Test Method for Determination of Water (Moisture) Content of Soil by the Microwave Oven Method ASTM D4643 Moisture content, Water content microwave, microwave moisture, microwave oven, moisture content, rapid moisture test, water content. Details
Standard Test Method for Identification and Classification of Dispersive Clay Soils by the Pinhole Test ASTM D4647 Dispersive classification Clay, colloidal erodibility, dispersibility, dispersion, dispersive clays, erosion, pinhole Details
Standard Test Method for Laboratory Miniature Vane Shear Test for Saturated Fine-Grained Clayey Soil ASTM D4648 Shear Strength clays, laboratory miniature, remolded, saturated, shear value, undisturbed, undrained strength, lab vane shear, vane shear Details
Standard Practice for Correction of Unit Weight and Water Content for Soils Containing Oversize Particles ASTM D4718 Water content correction, Unit weight correction oversize particles, unit weight, water content, oversize correction, compaction, Proctor Details
Standard Test Method for Consolidated Undrained Triaxial Compression Test for Cohesive Soils ASTM D4767 Strength, Stress-strain relationship back pressure saturation, cohesive soil, consolidated undrained strength, strain-controlled loading, stress-strain relationships, total and effective stresses, CU, triaxial, pore-pressure Details
Standard Test Method for Expansion Index of Soils ASTM D4829 Expansion Index clays; expansive soils; index tests; laboratory tests; soil Details
Standard Test Methods for Shrinkage Factors of Cohesive Soils by Water Immersion ASTM D4943 Shrinkage Factor Shrinkage, Wax, Limits Details
Standard Test Method for pH of Soils. ASTM D4972 pH moisture; swelling soils, pH, corrosion Details
Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter ASTM D5084 Permeability, Flow Rate, Hydraulic conductivity Coefficient of permeability, hydraulic barriers, hydraulic conductivity, liner, permeameter, flexible wall Details
Standard Test Method for Chloride Ion in Water ASTM D512 Chlorides Chlorides. Corrosivity Details
Standard Test Method for Sulfate Ion in Water ASTM D516 Sulfates Sulfates. Corrosivity Details
Standard Specification for Topsoil Used for Landscaping Purposes ASTM D5268 Grain Size, Percent Organic, Percent deleterious matter Landscaping, organic material, plant growth, soil, topsoil Details
Standard Test Method for Load Controlled Cyclic Triaxial Strength of Soil ASTM D5311 Permanent Strain, Dynamic triaxial strength Consolidated-undrained tests, cohesionless soils, laboratory test, liquefaction, triaxial tests, cyclic triaxial test, dynamic Details
Standard Test Method for Measurement of Collapse Potential of Soils **ASTM has discontinued this method ASTM D5333 Collapse potential collapse; collapse index; collapse potential; compressibility; consolidation Details
Standard Test Method for Determination of Thermal Conductivity of Soil and Soft Rock by Thermal Needle Probe Procedure ASTM D5334 Thermal conductivity heat flow; temperature; thermal conductivity; thermal probe; thermal properties Details
Standard Test Methods for Moisture-Density (Unit Weight) Relations of Soil-Cement Mixtures ASTM D558 Maximum dry density, optimum moisture content maximum density, optimum moisture content, compaction characteristics. treatability, solidification, bench-scale Details
Standard Test Methods for Wetting and Drying Compacted Soil-Cement Mixtures ASTM D559 Soil-cement Loss and volume change wet, dry, soil-cement, treatability, solidification, bench-scale Details
Standard Test Methods for Freezing and Thawing Compacted Soil-Cement Mixtures ASTM D560 Soil-cement Loss and volume change freeze-thaw, soil-cement, treatability, solidification, bench-scale Details
Standard Test Method for Torsional Ring Shear Test to Determine Drained Residual Shear Strength of Cohesive Soils ASTM D6467 Shear stress, residual shear stress consolidated; drained test conditions; Mohr-Coulomb strength envelope; reconstituted specimens; residual shear strength; ring-shear test Details
Standard Test Method for Consolidated Undrained Direct Simple Shear Testing of Cohesive Soils ASTM D6528 Shear strain, shear stress, shear modulus clays, cohesive soils, consolidated undrained test, consolidation test, constant volume test, recompression, shear apparatus, shear strain, shear strength, shear test, simple shear, undrained shear tests Details
Standard Test Method for Measurement of Pneumatic Permeability of Partially Saturated Porous Materials by Flowing Air ASTM D6539 Coefficient of pneumatic permeability airflow, flexible wall permeameter, permeability, permeameter, pneumatic permeability, rigid wall permeameter Details
Standard Test Methods for Determining Dispersive Characteristics of Clayey Soils by Crumb Test ASTM D6572 Dispersive Characteristics Dispersive, Crumb Details
Standard Test Methods for Determination of the Soil Water Characteristic Curve for Desorption Using Hanging Column, Pressure Extractor, Chilled Mirror Hygrometer, or Centrifuge **This method replaces both ASTM D2325 and D3152 ASTM D6836 Soil water characteristic curve NULL Details
Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis ASTM D6913 Grain size Grain size, particle-size, sieve analysis Details
Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft-lbf/ft ³ (600 kN-m/m ³ )). ASTM D698 Maximum dry density, optimum moisture content impact compaction using standard effort, density, moisture-density curves, Proctor test, compaction characteristics, soil compaction, laboratory tests, Proctor Details
Standard Test Method for Consolidated Drained Triaxial Compression Test for Soils ASTM D7181 Strength, Stress-strain relationship back pressure saturation; consolidated drained strength; effective stresses; non-cohesive soil; strain-controlled loading; stress-strain relationships, CD triaxial, pore pressure Details
Standard Test Methods for Laboratory Determination of Density (Unit Weight) of Soil Specimens ASTM D7263 Density, unit weight density, unit weight Details
Standard Test Method for Torsional Ring Shear Test to Determine Drained Fully Softened Shear Strength and Nonlinear Strength Envelope of Cohesive Soils (Using Normally Consolidated Specimen) for Slopes with No Preexisting Shear Surfaces ASTM D7608 fully softened shear strength consolidated; drained test conditions; fully softened shear strength; reconstituted specimens; ring-shear test; strength envelope Details
Standard Test Methods for Approximating the Shear Strength of Cohesive Soils by Handheld Vane Shear Device ASTM D8121 Shear Strength vane, shear, handheld, torvane, strength Details
Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer ASTM D854 Specific Gravity soil, specific gravity Details
Standard Test Method for Measuring pH of Soil for Use in Corrosion Testing ASTM G51 pH moisture; swelling soils, pH, corrosion Details
Standard Test Method for Field Measurement of Soil Resistivity Using the Wenner Four Electrode Method ASTM G57 Electrical Resistivity electrical resistivity, corrosion Details
Porosity Calculation porosity porosity, Void Ratio, n, specific gravity Details
Soil Abrasion Dahl et al. method - 2007 NTNU/SINTEF tool wear from mining Abrasion, wear, bit, SINTEF Details
Pocket Penetrometer GTX-S1005 Unconfined compressive strength pocket, penetrometer, unconfined, compressive, strength Details
Cyclic Direct Simple Shear GTX-S1062 cyclic shear strength Simple, shear, constant volume, Direct, cyclic, dynamic Details
Torsional Shear GTX-S1082 Shear modulus, damping ratio, cyclic strength Torsional, modulus, damping, cycling, shear, strength Details
P & S Wave Velocity Measurements GTX-S1085 Shear wave velocity P&S, Wave, Velocity Details
Sulfide Ion in Water SM4500 Sulfides Sulfides. Corrosivity Details
Bulk Density USACE EM 1110-2-1906 Dry density, wet density and moisture content Dry density, bulk density, unit weight. Details
Pilot Settling Test USACE EM 1110-2-1906 sedimentation rate Pilot, sedimentation, settling, dispersing, sediment, suspended solids Details
Pilot Settling Test USACE EM 1110-2-1906 sedimentation rate Pilot, sedimentation, settling, dispersing, sediment, suspended solids Details
Consolidated, Drained Triaxial Compression Test for Soils USACE EM 1110-2-1906 Strength, Stress-strain relationship back pressure saturation; consolidated drained strength; effective stresses; non-cohesive soil; strain-controlled loading; stress-strain relationships, CD triaxial, pore pressure Details
Column Settling Test USACE EM 1110-2-1906 sedimentation rate Pilot, sedimentation, settling, dispersing, sediment, suspended solids Details
Permeability USACE EM 1110-2-1906 Permeability, Flow Rate, Hydraulic conductivity Coefficient of permeability, hydraulic barriers, hydraulic conductivity, liner, permeameter Details
Residual Shear USACE EM 1110-2-1906 shear strength shear strength, residual, post peak strength Details