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Published in:
2000 | OriginalPaper | Chapter
Critical State Solutions
Author : Hai-Sui Yu
Published in: Cavity Expansion Methods in Geomechanics
Publisher: Springer Netherlands
Included in: Professional Book Archive
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In Chapter 3, cavity expansion solutions were developed by assuming that soil can be modelled as an elastic-perfectly plastic material. The key feature of perfect plasticity is that the strength of material remains constant during the loading and unloading process. In reality, however, the strength of soil may vary considerably with deformation history. To account for this dependence in cavity expansion analysis, a strain-hardening/softening plasticity model must be used.