AGGREGATE TESTING

Durability Engineers performs standardized and specialized testing chemical, physical and durability properties of aggregates providing information concerning:

  • Absorption

  • Specific Gravity

  • Gradation

  • Soundness

  • Clay & Friable Particles

  • Lightweight Particles

  • Organic Impurities

  • Chloride Analysis

  • Scratch Hardness

  • Flat & Elongated Particles

  • Petrographic Examination

  • Abrasion

  • Freeze-Thaw Resistance

  • Alkali-Silica Reactivity

  • Alkali-Carbonate Reactivity

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 Aggregate Testing

 

TEST METHODS

Durability Engineers tests materials in accordance with the following ASTM specifications

ASTM C29 Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate

ASTM C33 Standard Specification for Concrete Aggregates

ASTM C40 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete

ASTM C88 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate

ASTM C117 Standard Test Method for Materials Finer than 75-μm (No. 200) Sieve in Mineral Aggregates by Washing

ASTM C123 Standard Test Method for Lightweight Particles in Aggregate

ASTM C127 Standard Test Method for Relative Density (Specific Gravity) and Absorption of Coarse Aggregate

ASTM C128 Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate

ASTM C131 Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine

ASTM C136 Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates

ASTM C142 Standard Test Method for Clay Lumps and Friable Particles in Aggregates

ASTM C295 Standard Guide for Petrographic Examination of Aggregates for Concrete

ASTM C535 Standard Test Method for Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine

ASTM C586 Standard Test Method for Potential Alkali Reactivity of Carbonate Rocks as Concrete Aggregates (Rock-Cylinder Method)

ASTM C1105 Standard Test Method for Length Change of Concrete Due to Alkali-Carbonate Rock Reaction

ASTM C1260 Standard Test Method for Potential Alkali Reactivity of Aggregates (Mortar-Bar Method)

ASTM C1293 Standard Test Method for Determination of Length Change of Concrete Due to Alkali-Silica Reaction

ASTM C1567 Standard Test Method for Determining the Potential Alkali-Silica Reactivity of Combinations of Cementitious Materials and Aggregate (Accelerated Mortar-Bar Method)

ASTM D4791 Standard Test Method for Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate

AASHTO T103 Standard Method of Test for Soundness of Aggregates by Freezing and Thawing

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