What is the consistency of soil at liquid limit and Plastic Limit?

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Consistency varies with the water content of the soil. The consistency of a soil can range from (dry) solid to semi-solid to plastic to liquid (wet). The water contents at which the consistency changes from one state to the next are called consistency limits (or Atterberg limits).

Two of these are utilised in the classification of fine soils:

Liquid limit (wL) - change of consistency from plastic to liquid

Plastic limit (wP) - change of consistency from brittle/crumbly to plastic

Measures of liquid and plastic limit values can be obtained from laboratory tests.