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Swelling behaviour of tropical black clays


Laboratory investigations on the prediction of the swelling behaviour of black clays both directly and indirectly are presented and discussed. Different methods based on index properties are examined for the determination of the swelling potential. Further, measured and predicted swelling pressures are compared and the main influencing factors are discussed. The rate and magnitude of swelling are shown to be dependent on both the potential expansiveness and the physical state of the soil. The magnitude of the swelling may be assumed to vary linearly with the logarithm of the surcharge pressure.


Bucher, Felix and Sailie, Louis

Index Terms:

Soil; SoilGroup; tropical soils; Swelling

Further Information:

Date published: 1984