Figure 3-28. Fluidity
A field test on a soil with a moderately fluid manner of failure class. (Photo courtesy of John Kelley)
To evaluate fluidity, a handful of soil material is squeezed in the hand. For moderately fluid soil, after full pressure, most material flows through the fingers; a small residue remains in the palm of the hand.
Soil Survey Manual, Ag. Handbook 18, 2017, (p. 190).
Figure 3-28. Fluidity
A field test on a soil with a moderately fluid manner of failure class. (Photo courtesy of John Kelley)
To evaluate fluidity, a handful of soil material is squeezed in the hand. For moderately fluid soil, after full pressure, most material flows through the fingers; a small residue remains in the palm of the hand.
Soil Survey Manual, Ag. Handbook 18, 2017, (p. 190).