Particle size distribution curve

Particle size distribution curve 

The results of the mechanical analysis are plotted on a semi-log graph with the percentage finer on the arithmetic scale (y-axis)and particle diameter on the log scale (x-axis).

A smooth curve can be drawn through them. A particle size distribution curve gives us an idea about the types and gradient of the soil.

Bullet Guide: Sizes, Calibers and T...
Bullet Guide: Sizes, Calibers and Types

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Particle Size Classification of Soil