Aggregate Tests

Sulfate Soundness Test

Sulfate Soundness Test
The soundness test determines an aggregate’s resistance to disintegration by weathering and, in particular, freeze-thaw cycles. Description The most...

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Fine Aggregate Specific Gravity

Fine Aggregate Specific Gravity
Overview The fine aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a fine...

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Triaxial Test

Triaxial Test
In a triaxial resilient modulus test a repeated axial cyclic stress of fixed magnitude, load duration and cyclic duration...

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Gradation Test

Gradation Test
Overview The gradation and size test (Figure 1) is used to determine aggregate particle size distribution. Size distribution is...

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Fineness Modulus

Fineness Modulus
For aggregates used in PCC, another common gradation description for fine aggregate is the fineness modulus. It is described...

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Particle Index

Particle Index
Description The particle index test provides a combined shape-texture characterization. This test requires that an aggregate sample be divided...

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Fine Aggregate Angularity

Fine Aggregate Angularity
Overview The fine aggregate angularity (FAA) test (Figure 1) is an indirect method of assessing the angularity of fine...

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Flat and Elongated Particles

Flat and Elongated Particles
Overview The flat and elongated particle test is used to determine the dimensional ratios for aggregate particles of specific...

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Percent Fractured Face Test

Percent Fractured Face Test
A sample retained on the 4.75 mm (No. 4) sieve is collected and the number of particles with fractured...

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Los Angeles Abrasion

Los Angeles Abrasion
Overview The Los Angeles (L.A.) abrasion test (Figure 1) is a common test method used to indicate aggregate toughness...

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Sand Equivalent

Sand Equivalent
Overview The sand equivalent test (Figure 1) is a rapid field test to show the relative proportions of fine...

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Coarse Aggregate Angularity

Coarse Aggregate Angularity
Overview The coarse aggregate angularity (CAA) test is a method of determining the angularity of coarse aggregate (Figure 1)....

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Coarse Aggregate Specific Gravity

Coarse Aggregate Specific Gravity
Overview The coarse aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a coarse...

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Sieve

Sieve
A sieve is a mechanical device used to separate samples of different sizes. Sieve sizes typically used for Superpave...

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