The Scientific World Journal

Research Article

Investigating the Effect of Lignosulfonate on Erosion Rate of the Embankments Constructed with Clayey Sand

Table 2

Qualitative classification of soil in terms of erodibility [18].
Group numberErosion rate index (I)Description
1 2Extremely rapid
22-3Very rapid
33-4Moderately rapid
44-5Moderately slow
55-6Very slow
6 6Extremely slow