Unlike metals that use von Mises or Tresca criteria, geomaterials require pressure-sensitive models. Essential reading includes:

A good PDF on this topic will dedicate at least one chapter to CSSM, as it bridges plasticity theory with real soil behavior.

This guide outlines the core concepts and frameworks found in authoritative texts like by S. Pietruszczak . Plasticity in geomechanics focuses on how soil and rock permanently deform under load, which is critical for designing stable foundations, tunnels, and slopes. 1. Basic Concepts of Plasticity Theory