### 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...