1. Reminder: stresses and strains in soils
The concepts of stress and strain are part of the knowledge acquired in all technical studies, and this article is limited to a reminder of the definitions and main results used to study the shear strength of soils.
1.1 State of stress at a point in a continuous medium
The stress state at a point M of a continuous medium is completely defined by the six-component tensor :
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Reminder: stresses and strains in soils
Soil strength and fracture
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