A simple method of determining erodibility is the Pinhole Test. This apparatus identifies clay soils which can be dispersed by water.
SPECIFICATION
Dimensions
1220 x 150 x 200 mm (lxwxh)
Sample size
33 x 25mm (diameter x length)
Mould
33 mm
Needle
Forms 1 mm diameter hole
Constant head
Tests up to 1020 mm high
Complete with hoses and stand.
Supplied without pea gravel for moulds ends.