Abstract
In this chapter, the stress–strain relationship on the singular point of the yield surface of the original Cam clay model and the Sekiguchi-Ohta’s model is derived in order to compute the volume change correctly. Metastable space, the range of increment of strain in which effective stress does not get away from the singular point of yield surface, was theoretically derived. In metastable space, the increment of volumetric strain is larger than the increment of deviatoric strain.
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References
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Takeyama, T., Pipatpongsa, T., Iizuka, A., Ohta, H. (2013). Stress–Strain Relationship for the Singular Point on the Yield Surface of the Elasto-Plastic Constitutive Model and Quantification of Metastability. In: Chu, J., Wardani, S., Iizuka, A. (eds) Geotechnical Predictions and Practice in Dealing with Geohazards. Geotechnical, Geological and Earthquake Engineering, vol 25. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5675-5_15
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DOI: https://doi.org/10.1007/978-94-007-5675-5_15
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