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  1. Jan 25, 1985 · tion of the liquid limit and plastic limit of sons. Three methods, namely, mechanical method, one point method and the cone method are given for the determination of liquid limit. 1.1.1 Liquid limits over about 120 percent shall be obtained by the procedure specified in 3 or 4.

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    The Liquid Limit (LL or wLL), also known as the upper plastic limit, is the water content at which the soil changes from the liquid state to a plastic state. It is the minimum moisture content at which a soil flows upon application of very small shear force. The precise definition of the liquid limit is based on standard test procedures. Liquid Lim...

    The Plastic Limit (PL or wPL), also known as the lower plastic limit, is the water content at which a soil changes from the plastic state to a semisolid state. The Plastic limit test is performed by repeated rolling of an ellipsoidal-sized soil mass by hand on a non-porous surface. Casagrande defined the plastic limit as the water content at which ...

    Plasticity Index (PI or IP) is calculated as the Plastic Limit subtracted from the Liquid Limit and is an important value when classifying soil types. PI = LL - PL

    The shrinkage limit (SL) is defined as the water content at which the soil changes from a semi-solid to a solid state. At this moisture content the volume of the soil mass ceases to change with further drying of the material. The shrinkage limit is less frequently used than the liquid and plastic limits. The shrinkage limit is determined as follows...

    Learn how to determine the liquid limit of soil, which is the minimum moisture content at which a soil flows upon application of very small shear force. The web page also explains the plastic limit, plasticity index and shrinkage limit of soil.

  2. Mar 14, 2021 · Learn how to perform liquid limit and plastic limit tests for soil using standard devices and procedures. Find out the theory, aim, apparatus, and practical utility of these tests for soil classification and foundation design.

  3. Mar 7, 2015 · Learn what liquid limit of soil is, why it is important and how to determine it using casagrande or cone penetrometer apparatus. Liquid limit is the minimum water content at which soil flows under a standard impact.

  4. A liquid limit of soil is the moisture content expressed as a percentage of the weight of over-dried soil, at which soil changes from a plastic to a liquid state.

  5. The liquid limit of a soil is the water content at which the soil behaves practically like a liquid, but has small shear strength. It flows to close the groove in just 25 blows in Casagrande’s liquid limit device.

  6. Learn how to perform the liquid limit test of soil, a test that measures the moisture content at which soil behaves like a liquid. Find out the test apparatus, procedure, calculation, and FAQs about this geotechnical engineering test.

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