Material Testing
Accurate Group is certified to provide construction materials testing and inspection. Our professional engineering staff and highly qualified engineering technicians help our clients meet their control needs.
Our material testing services include:
- Laboratory Testing of Soils, Concrete and Asphalt
- Field Testing of Soils, Concrete and Asphalt
- Concrete Mix Design
- Soil Compaction and Inspection
- Bearing Capacity Inspection
- On Site Inspection of Construction Activities
- Documentation
- Proof Rolling Inspection
- Test Borings
- Controlled Fill Placement
- Documentation Survey (Video/Photograph)
Our in-house state-of-the-art laboratory provides soils, asphalt and concrete testing, and has been inspected by AMRL and CCRL for accreditation. We conduct test procedures in accordance with the following agencies:
- Illinois Department of Transportation
- American Concrete Institute
- Asphalt Institute
- American Association of State Highways Officials
- American Society for Testing and Materials
Aggregate
- T19/C29 Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate
- C40 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
- T11/C117 Standard Test Method for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing
- T85/C127 Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate
- T84/C128 Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate
- T27/C136 Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates
- T255/C566 Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying
- T248/C702 Standard Practice for Reducing Samples of Aggregate to Testing Size
- C1077 Standard Practice for Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation
Concrete
- C31 Standard Practice for Making and Curing Concrete Test Specimens in the Field
- C39 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
- C78 Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)
- C138 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
- C143 Standard Test Method for Slump of Hydraulic Cement Concrete
- C172 Standard Practice for Sampling Freshly Mixed Concrete
- C231 Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
- C1064 Standard Test Method for Temperature of Freshly Mixed Portland Cement Concrete
- C177 Standard Practice for Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation
- C1231 Standard Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders
Hot-Mix Asphalt
- T30/D5444 Standard test Method for Mechanical Size Analysis for Extracted Aggregate
- T164/D2172 Standard Test Methods for Quantitative Extraction of Bitumen from Bituminous Paving Mixtures
- T166/D2726 Standard Method of Test for Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens
- T209/D2041 Standard Test Method for Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
- T245/D6926 Marshall Method Preparation
- T269/D3203 Standard Method for Determining
- T269/D3203 Standard Method for Determining Percent Air Voids in Bituminous Paving Mixtures
- T287/D1125 Standard Method for Determining Asphalt Content of Bituminous Mixtures by the Nuclear Method
- T308/D6307 Standard Method for Determining Ashpalt Binder Content of Hot Mix Asphalt (HMA) by Ignition Method
- T312/D6925 Standard Method for Preparing and Determining the Density of Hot Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor
- T329 Moisture Content of Hot Mix Asphalt