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Advances in Civil Engineering
/
2019
/
Article
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Fig 2
/
Research Article
Stabilization of Expansive Soil with Polyvinyl Alcohol and Potassium Carbonate
Figure 2
The free swell index values for samples with: (a) K
2
CO
3
only; (b) PVA only; (c) 3% of K
2
CO
3
and different amounts of PVA.
(a)
(b)
(c)