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This research investigates how the direction of stress affects the strength and deformation of slope soil in embankments.

March 18, 2026WaterOpen Access

Anisotropic Characteristics of Slope Soil in Embankment Under Drained Shear Conditions

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Drained shear tests reveal the anisotropic strength behavior of slope soil in embankments, suggesting implications for stability analysis.

This research investigates how the direction of stress affects the strength and deformation of slope soil in embankments.
Conducted a series of drained directional shear tests on slope soil
Analyzed the effects of principal stress direction angle and intermediate principal stress coefficient
Measured strength, deformation, and non-coaxial characteristics
Radial strain showed minimal sensitivity to changes in principal stress direction
Strength exhibited significant anisotropy across different angles of principal stress
Specimens showed notable non-coaxial behavior under axial-torsional shear loading

Zhou et al. (2026) studied this question.

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Drained shear tests reveal the anisotropic strength behavior of slope soil in embankments, suggesting implications for stability analysis.