Soil Quality Control Testing

Field and laboratory tests to assess soil, rock and water and verify suitability for construction.

Overview

We carry out soil quality-control testing in the field and laboratory to approved engineering standards, assessing the physical and mechanical properties of soil and its suitability for construction and roads, plus chemical analysis of soil, rock and water samples using advanced spectroscopy equipment.

Soil tests

Soil classification
Consistency
Moisture content and density
Collapsibility
Free swell and swelling pressure
Consolidation
Direct shear

Rock tests

Bulk density, specific gravity, absorption and porosity
Unconfined compression with modulus of elasticity and Poisson’s ratio
Indirect tensile strength (Brazilian test)
Point load test
Slake durability

Chemical analysis

Total dissolved salts
pH
Chlorides and sulfates
Magnesium and carbon dioxide

Soil Quality Control Testing

From our work

Tests we perform

ASTM D6938-23
Standard Test Methods for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth)
ASTM D854-23
Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer
ASTM D4318-17e1
Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils
ASTM D6913/D6913M-17
Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis
ASTM D1557-12(2021)
Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN-m/m3))
ASTM D2487
Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)
ASTM C97/C97M-18
Standard Test Methods for Absorption and Bulk Specific Gravity of Dimension Stone
ASTM D3080/D3080M-23
Standard Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions
ASTM D1883-21
Standard Test Method for California Bearing Ratio (CBR) of Laboratory-Compacted Soils
ASTM D5731-16
Standard Test Method for Determination of the Point Load Strength Index of Rock and Application to Rock Strength Classifications
ASTM D7928-21e1
Standard Test Method for Particle-Size Distribution (Gradation) of Fine-Grained Soils Using the Sedimentation (Hydrometer) Analysis
ASTM C535-16
Standard Test Method for Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
ASTM D2435/D2435M-11(2020)
Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading
ASTM D2419-22
Standard Test Method for Sand Equivalent Value of Soils and Fine Aggregate
ASTM C117-23
Standard Test Method for Materials Finer than 75-μm (No. 200) Sieve in Mineral Aggregates by Washing
ASTM D4791-19(2023)
Standard Test Method for Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate
ASTM C142/C142M-17(2023)
Standard Test Method for Clay Lumps and Friable Particles in Aggregates
ASTM C88/C88M-18
Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
ASTM C128
Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate
BS 1377-3:1990 Amd. 9028 (1996) Cl. 9 / BS 1377-3:2018 Cl. 12
Determination of the pH Value of Soil
ASTM D4254-16
Standard Test Method for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
BS 1377-3:1990 Amd. 9028 (1996) Cl. 7.2
Determination of the Chloride Content of Ground Water
BS 1377-3:1990 Amd. 9028 (1996) Cl. 5.4
Determination of the Sulphate Content of Ground Water
BS 1377-3:1990 Amd. 9028 (1996) Cl. 9 / BS 1377-3:2018 Cl. 12
Determination of the pH Value of Ground Water

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