The Manual Liquid Limit Apparatus (Casagrande) are used to determine the moisture content at which clay soils pass from plastic to liquid state. The devices consist of an adjustable crank and cam mechanism, a blow counter and a removable brass cup fitted on the base.
Standards:BS 1377:2/ASTM D4318/AASHTO T89/TS 1900-1
Used to detemine the moisture content at which cleay soils pass from a plastic to a liquid state, I t help in the classification of soil when comparing the potential properties of soil material against empirical data.
consist of a removable brass cup.
adjustable crank,with blow counter and base.