define atterbergs limit

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Q) Define atterbergs limit 


Atterbergs Limit:- 


Atterberg limits are a set of tests used to determine the consistency of fine-grained soils by measuring the water content at which the soil transitions between different states. 


 Liquid Limit:-
Determined using the Casagrande method, which involves dropping a cup containing the soil sample and measuring the number of blows required for a groove in the soil to close.














 
Plastic Limit:-
Determined by rolling a thread of soil until it crumbles at a specific diameter, indicating the point where the soil transitions from plastic to semi-solid. 


 Shrinkage Limit:- 
Determined by measuring the water content at which further drying does not cause a further reduction in volume.




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