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September 5, 2025Open Access

Anisotropic Strength of granular soils in Direct Shear Test by Microstructure Analysis

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Research demonstrates the impact of anisotropic strength on shear resistance in granular soils, suggesting new criteria for testing.

Anisotropic shear resistance is influenced by the orientation of the bedding plane and the Spatially Mobilized Plane.
Experimental validation showed significant differences in shear resistance across four types of sands.
The study introduces a micro-mechanical criterion that can be applied through standard laboratory tests.
Two main forms of anisotropy related to contact normals and particle orientations were identified and analyzed.

Shaverdi et al. (2025) studied this question.

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