Liquid Index
Liquid index, abbreviated as LI, also called liquidity index, a dimensionless number, is scaling the natural moisture content of a soil sample to the liquid limit and plastic limit.
Liquid Index formula |
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\(\large{ LI = \frac{ PL \;-\; w_n }{ LL \;-\; PI } }\) | ||
Symbol | English | Metric |
\(\large{ LI } \) = liquid index | \(\large{dimensionless}\) | |
\(\large{ LL } \) = liquid limit | \(\large{dimensionless}\) | |
\(\large{ w_n }\) = natural water content (moisture content) | \(\large{dimensionless}\) | |
\(\large{ PI }\) = plastic index | \(\large{dimensionless}\) |