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Geoenvironmental Disasters

Table 6 Expansive soil classification based on shrinkage limit

From: An investigation into the cause of road failure along Sagamu-Papalanto highway southwestern Nigeria

Swell potential (Holtz and Gibbs 1956)

Shrinkage limit (%)

Volume change (Altmeyer 1956)

Shrinkage limit (%)

Low

> 15

Non-critical

> 12

Medium

10–16

Marginal

10–12

High

7–12

Critical

< 10

Very high

< 11

Volume change

Shrinkage limit (%)

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