The manifestations of the forces of cohesion and adhesion acting within the soil at various water contents, as expressed by the relative ease with which a soil can be deformed or ruptured. Engineering descriptions include: (i) the designation of five categories (soft, firm or medium, stiff, very stiff, and hard) as assessed by thumb and thumbnail penetrability and indentability; and (ii) characterization by the Atterberg limits (i.e., liquid limit, plastic limit, and plasticity number). See also Atterberg Limits ; Liquid Limit (Upper Plastic Limit, Atterberg Limit) ; Plastic Limit and Plasticity Number .
Bibliography
Glossary of Soil Science Terms. Soil Science Society of America. 2010. https://www.soils.org/publications/soils-glossary
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(2011). Consistency. In: Gliński, J., Horabik, J., Lipiec, J. (eds) Encyclopedia of Agrophysics. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3585-1_571
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