The plastic limit of a soil is the lowest water content determined in accordance with the following procedure at which the soil remains plastic. The plasticity index of a soil is the range in water content, expressed as a percentage of the mass of the oven-dried soil, within which the material is in a plastic state. It is the numerical difference between the liquid limit and plastic limit of the soil.
The Hand Rolling Method shall be the referee procedure.
AASHTO T 90-00 (2008) History
AASHTO T 90-22
$48.00 $96.00
AASHTO T 90-20
$48.00 $96.00
AASHTO T 90-16
$48.00 $96.00
AASHTO T 90-15
$30.00 $60.00
AASHTO T 90-14
$30.00 $60.00
AASHTO T 90-00 (2008)
$22.00 $44.00
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