Sulfate Soundness Test

The soundness test determines an aggregate’s resistance to disintegration by weathering and, in particular, freeze-thaw cycles. Description The most...
Fine Aggregate Specific Gravity

Overview The fine aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a fine...
Triaxial Test

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

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

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

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

Overview The fine aggregate angularity (FAA) test (Figure 1) is an indirect method of assessing the angularity of fine...
Flat and Elongated Particles

Overview The flat and elongated particle test is used to determine the dimensional ratios for aggregate particles of specific...
Percent Fractured Face Test

A sample retained on the 4.75 mm (No. 4) sieve is collected and the number of particles with fractured...
Los Angeles Abrasion

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

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

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

Overview The coarse aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a coarse...
Sieve

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