Log-Cubic Method for Generation of Soil Particle Size Distribution Curve
Figure 3
Examples of PSD curves generated from measured data (dots) using the log-linear (dashed lines), log-spline (dot lines), and log-cubic (solid lines) methods for soils nos. 1010 (a) and 1490 (b). Circles indicate particle size ranges in which PSD curves generated with the log-spline method are not monotonic.
