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Liquid Limit




The change from a plastic state to a liquid state is gradual, and so any definition of a boundary limit must be somewhat arbitrary. There are two method for finding the liquid limit of soil, via the Casagrande Device or the Cone Penetrometer .

It is of practical importance in all aspects of geotechnical engineering. In particular such areas as The Netherlands with soft and wet soils and Hong Kong , subject to landslides. In Hong Kong liquid limit tests are performed on a regular basis to check that hills will remain stable during the rainy season.

The liquid limit and Plastic Limit are used together for soil identification and classification.


APPARATUS

Casagrande Device

Cone Penetrometer


SEE ALSO

Thixotropy


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