It is used to determine the total linear shrinkage of soils and indicates the plastic properties of soils with low clay content. The UTS-0235, Linear Shrinkage Mould is 140 mm long and has a radius of 12.5mm. The Liquid Limit Device is supplied complete with a plastic grooving tool. According to the user's required specifications, different models with the same shape but with different cup and base weights are available. The device comprises of a blow counter, a removable brass cup fitted on the base and an adjustable crank and cam mechanism. The UTEST Manual Liquid Limit Apparatus (Casagrande) is an apparatus used to measure the moisture content at which clay soils pass from plastic to liquid state. The relationship between the three is that the shrinkage limit defines when dry soil becomes friable, the plastic limit is where the soil becomes malleable and the liquid limit where the soil becomes liquid and able to flow. The Shrinkage limit, Plastic Limit and Liquid limit together form the Atterberg limits, important for the effect of water on clay or silt soils.
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