![]() Shrinkage limit is primarily a result of the packing phenomenon governed by the grain size distribution of the soil. Earlier studies have proven that shrinkage limit is not governed by plasticity characteristics of the soil. While increasing the water content, from a partially saturated state to a fully saturated state and beyond, the electrical resistivity reduces, and from the point of shrinkage limit onwards, there is no further appreciable reduction in electrical resistivity. While decreasing the water content, from its liquid state to the solid state, a point of inflection is reached (shrinkage limit) when further reduction in water content will not cause a reduction in the volume of the soil mass. ![]() Shrinkage limit of soils can be perceived as a point of inflection in either direction. At the shrinkage limit, the soil is just fully saturated.
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