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Equivalence of Soils Under Limiting Stress State

Elifkhan Agakhanov, Murad Agakhanov, Gadis Gabibulaev
Published: 15 September 2021

Abstract: Through a calculation model from the theory of limiting equivalence, from a corresponding system of equations for a two-dimensional problem set, the equivalence of limiting stress state of granular soil is determined to within a triaxial uniform compression equivalent to the coherence. The authors note the possible use of the result for the reduction of restrictions substantiated by the soil coherence (the routine studies do not assume any change in the soil coherence and in its own weight in accordance with the simulation conditions in the process of the experiment, hence the realization of these conditions with the change in the geometric scale similarity factor cannot be guaranteed for any choice of the force similarity factor. To illustrate the suggested method, based on the equivalence of soils in limiting stress state, the authors consider an example of determination of the active pressure onto the embankment wall caused by the own weight of the coherent soil.
Keywords: Limiting stress state / Granular soil / Coherent soil / Isotropic-and-uniform soil / Equivalence of soils / Embankment wall / Coherent soil pressure

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