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Aggregates and Soils
PRI’s extended support includes testing, evaluation, and qualification of mineral aggregates, fillers and soils used with asphalt based products and systems.

For research and development projects PRI holds an inventory of stockpiles. Each is a full complement of three aggregate types representing industry standards. These aggregates are representive of stripping, hard, low-absorptive and typical aggregates. Our aggregate stockpiles assure project continuity minimizing the affects induced by varying aggregate types.

The more common tests performed are noted below, inquire for others.
Specifications
AASHTO AASHTO M 29; Specification for Fine Aggregate for Bituminous Paving Mixtures

AASHTO AASHTO M 17; Mineral Filler for Bituminous Paving Mixtures

ASTM ASTM D 692; Specification for Coarse Aggregate for Bituminous Paving Mixtures

ASTM ASTM C 207; Specification for Hydrated Lime for Masonry Purposes

ASTM ASTM D 1073; Specification for Fine Aggregate for Bituminous Paving Mixtures

ASTM ASTM D 1139; Specification for Aggregate for Single or Multiple Bituminous Surface Treatments

ASTM ASTM D 5106; Specification for Steel Slag Aggregates for Bituminous Paving Mixtures

ASTM ASTM D 6155; Nontraditional Coarse Aggregates for Bituminous Paving Mixtures

Federal (FAA) FAA 150/5370-106, Section Item P 208/209; Aggregate Base Course/Crushed Aggregate Base Course

State DOTs or Other Agencies State DOT’s often have aggregate specifications focused on indigenous aggregates and materials. Individual State or Agency Requirements should be predetermined for all evaluations
Individual Test Methods or Properties Test Method
Adherent Coating ASTM D 5711; Test Method for Determining the Adherent Coating on Coarse Aggregates

Bulk Density, Kerosene BS 812; Test Method of Determining Density

Clay Content AASHTO T 176; Plastic Fines in Graded Aggregates and Soils by Use of Sand Equivalent Test

Clay Lumps & Friable particles AASHTO T 112; Clay Lumps and Friable Particles in Aggregates

Clay Lumps & Friable particles ASTM C 142; Test Method for Clay Lumps and Friable Particles in Aggregates

Coarse Aggregate Angularity PA DOT 621; Determination of the Percentage of Fractured particles in Coarse Aggregate

Durability Index AASHTO T 210; Aggregate Durability Index

Durability Index ASTM D 3744; Aggregate Durability Index

Expansion ASTM D 4792; Test Method for Potential Expansion of Aggregate from Hydration Reactions

Fine Aggregate Angularity - Aggregates AASHTO TP 33; Test Method for Uncompacted Void Content of Fine Aggregate

Flat & Elongated Particles - Aggregates ASTM D 4791; Test Method for Flat Particles, Elongated Particles or Flat & Elongated particles in Coarse Aggregates

Fractured Particles ASTM D 5821; Test Method for Determining Percentage of Fractured particles in Coarse Aggregate

Insolubles in Carbonate Aggregates ASTM D 3042; Test Method for Insoluble Residue in Carbonate Aggregates

Kerosene Equivalent ASTM D 5148; Test Method for Centrifuge Kerosene Equivalent

Lightweight Pieces in Aggregate AASHTO T 113; Lightweight Pieces in Aggregate

Lightweight Pieces in Aggregate ASTM C 123; Test Method for Lightweight Particles in Aggregate

Lime AASHTO T 219; Testing Lime for Chemical Constituents and Particle Size

Lime AASHTO T 232; Determination of Lime Content in Lime-Treated Soils by Titration

Liquid and Plastic Limits and Plasticity Index ASTM D 4318; Test Method for Liquid Limit, Plastic Limit and Plasticity Index of Soils

Liquid Limit AASHTO T 89; Determining the Liquid Limits of Soils

Los Angeles Abrasion (Resistance to Degradation) AASHTO T 96; Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine

Los Angeles Abrasion (Resistance to Degradation) ASTM C 131; Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine

Micro-Deval AASHTO T 327; Resistance of Coarse Aggregate to Degradation by Abrasion in the Micro-Deval Apparatus

Moisture Content AASHTO T 265; Laboratory Determination of Moisture Content of Soils

Moisture Content ASTM D 2216; Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass

Particle Coating - Hot Mix / Paving Mixtures AASHTO T 195; Practice for Estimating Degree of Particle Coating of Bituminous-Aggregate Mixtures

Particle Coating - Hot Mix / Paving Mixtures ASTM D 2489; Practice for Estimating Degree of Particle Coating of Bituminous-Aggregate Mixtures

Particle Size by Hydrometer ASTM D 422; Test Method for Particle-Size Analysis of Soils

Permeability AASHTO T 215; Permeability of Granular Soils (Constant Head)

Permeability ASTM D 2434; Permeability of Granular Soils (Constant Head)

Polishing AASHTO T 279; Accelerated Polishing of Aggregates Using British Wheel

Polishing ASTM D 3319; Accelerated Polishing of Aggregates Using British Wheel

Proctor Compaction AASHTO T 180; Moisture-Density Relations of Soils Using a 4.54-kg (10 lb) Rammer and a 457-mm (18-in) Drop

Proctor Compaction ASTM D 1557; Test Method for Laboratory Compaction Characteristics of Soil Using Modified Effort

RAP or Millings Recovered Binder Viscosity AASHTO T 164; Extraction + ASTM D 5404; Recovery + ASTM D 2171; Absolute Viscosity

RAP or Millings Recovered Binder Viscosity ASTM D 2172; Extraction + ASTM D 5404; Recovery + ASTM D 2171; Absolute Viscosity

Sample Size Reduction AASHTO T 248; Reducing Samples of Aggregate to Testing Size

Sample Size Reduction ASTM C 702; Practice for Reducing Samples of Aggregate to Testing Size

Sand Equivalency - Aggregates AASHTO T 176; Plastic Fines in Graded Aggregates and Soild by Use of Sand Equivalent Test

Sand Equivalent Values ASTM D 2419; Test Method for Sand Equivalent Value of Soils and Fine Aggregates

Sieve Analysis (Gradation) - Aggregates AASHTO T 27; Sieve Analysis of Fine and Coarse Aggregates

Sieve Analysis (Gradation) - Aggregates ASTM C 136; Test Method for Sieve Analysis of Fine and Coarse Aggregates

Sieve Analysis (Granular Mineral – Roofing) ASTM D 451; Sieve Analysis of Granular Mineral Surfacing for Asphalt Roofing Products

Sieve Analysis (Mineral Filler) AASHTO T 37; Sieve Analysis of Mineral Filler for Bituminous Paving Materials

Sieve Analysis (Mineral Filler) ASTM D 546; Sieve Analysis of Mineral Filler for Paving Materials

Sieve Analysis (Surfacing- Roofing) ASTM D 452; Sieve Analysis of Surfacing for Asphalt Roofing Products

Sieve Analysis (washed, finer than 75 µm – 200 mesh) AASHTO T 11; Test Method for Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing

Sieve Analysis (washed, finer than 75 µm – 200 mesh) ASTM C 117; Test Method for Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing

Soundness (Freezing & Thawing) AASHTO T 103; Soundness of Aggregates by Freezing and Thawing

Soundness (Magnesium or Sodium) AASHTO T 104; Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate

Soundness (Magnesium or Sodium) ASTM C 88; Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate

Specific Gravity & Absorption of Coarse Aggregate ASTM C 127; Test Method for Density, Relative Density (Specific Gravity) and Absorption of Coarse Aggregates

Specific Gravity & Absorption of Coarse Aggregate AASHTO T 85; Specific Gravity and Absorption of Coarse Aggregates

Specific Gravity & Absorption of Fine Aggregate ASTM C 128; Test Method for Density, Relative Density (Specific Gravity) and Absorption of Fine Aggregates

Specific Gravity & Absorption of Fine Aggregate AASHTO T 84; Specific Gravity and Absorption of Fine Aggregates

Specific Gravity (Soil) AASHTO T 100; Test Method for Specific Gravity of Soil Solids by Water Pycnometer

Specific Gravity (Soil) ASTM D 854; Test Method for Specific Gravity of Soil Solids by Water Pycnometer

Unit Weight AASHTO T 19; Bulk Density (Unit Weight) and Voids in Aggregate

Unit Weight ASTM C 29 (29M); Test Method for Bulk Density (Unit Weight) and Voids in Aggregate

Voids in Filler BS 812

Voids in Fine Aggregate AASHTO T 304; Test Method for Uncompacted Void Content of Fine Aggregates (Fine Aggregate Angularity)
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