Friction and Cohesion as Multifaceted Factors of Soil Shear Resistance


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Abstract

Aspects are examined of dispersive soils that are conditioned by the mechanism and magnitude of their shear resistance. From a general physicochemical perspective, we study factors not considered in the Mohr-Coulomb theory that explain its departure from experimental data-mineral and granulometric composition, morphology of structural elements, the degree of lithification, the adsorption films and hard "liners" on the surface of minerals, the effect of the disjoining pressure on the real effective stresses, the mechanism of friction, and structural changes during deformation.

About the authors

V.I. Osipov

Sergeev Institute of Environmental Geoscience, Russian Academy of Sciences

Email: smfe@mail.ru
Russian Federation, Moscow

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