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Casagrande Test Apparatus or Liquid Limit Apparatus in mechanical form is known as Liquid Limit Method and has been in use for soil mechanics for a number of years. The Liquid Limit data of soils is useful to correlate mechanical properties of soil, such as compressibility and lower shear strength.


IS : 2720 (part 5), IS : 9259, BS : 1377


VSLIC - 151







Liquid Limit is the water content at which soil passes from zero strength to an infinitesimal strength, hence the true value of liquid limit cannot be determined. For determination purpose liquid limit is that water content at which a part of the soil, cut by a groove of standard dimensions, will flow together for a distance of 1. 25 cm under an impact of 25 blows in a standard liquid limit apparatus. The soil at the water content has some strength which is about 0. 17 n/cm. Sq. (17gms/sq. Cm. ) At this water content soil just passes from liquid state to plastic state.


Mechanical Method known as the Casagrande Method has been a standardized test in Soil Mechanics for many years.

  • High Quality of design ensures consistency of results
  • Satisfies International Standards
  • A motorized model with an integral blow counter is also available.

The Liquid Device consists of a hard rubber base carrying a sliding carriage assembly to which a brass cup is hinged. The cup is raised and allowed to fall through a height of 1 cm on the hard rubber base, with the help of a lead screw provided at the back of the sliding carriage.

Suitable for operation on 220V, 50Hz, Single Phase, AC Supply


The equipment Consist to the following replaceable parts:

  • VSLIC 151B24       : Counter.
  • VSLIC 15104         : Bowl.
  • VSLIC 15105         : Casagrande Grooving Tool Type-A.
  • VSLIC 15106         : Gauge Block for Liquid Limit Device.

Ordering Information:

  • VSLIC 151              : Liquid Limit Device with Counter Manually operated



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