The particle size distribution, or gradation, of an aggregate is one of the most influential aggregate characteristics in determining how it will perform as a pavement material.

Gradation Analysis A gradation analysis (or sieve analysis) is a procedure used to assess the particle size distribution (gradation) of a granular material by allowing the material to pass …

Oct 12, 2025 · What is Aggregate Gradation? Aggregate gradation refers to the distribution of particle sizes within a sample of aggregate. Essentially, it measures the range of sizes that …

The AASHTO numbering system labels aggregate specifications from 1 to 10 according to the largest stone size in the mixture, with 1 being the largest (all material passing a 4” sieve …

1 day ago · Aggregate gradation is a determining factor in assessing the durability, the strength of pavement structures, and long-term performance. The size distribution of particles in an …

The aggregate size, shape, and the way particles fit have an effect on the characteristic of the building material. The aggregate gradation describes the distribution of the particle sizes in a …

Oct 5, 2019 · The proper grading of an aggregate produces dense concrete and needs less quantity of fine aggregate and cement waste, therefore, coarse and fine aggregates must be …

Jun 21, 2025 · Aggregate gradation refers to the proportionate distribution, by weight, of different-sized particles in an aggregate sample. These particles may range from fine powders to larger …

The example presents the information needed to produce three charts that are useful in evaluating a combined aggregate gradation for a concrete mix. The charts may be used …

This guide provides a means to determine the optimal gradation of fine and coarse aggregates for use in the concrete mix using a set of tables. The tables are based on a computer model for …