## Abstract A chemoβplastic constitutive model for partially saturated soils is proposed in this paper based on the existing models developed in Hueckel (__Int. J. Numer. Anal. Meth. Geomech.__ 1997; **21**:43β72) and Gallipoli __et al__. (__Geotechnique__ 2003; **53**:123β135). The chemical soften
Return mapping algorithm for an enhanced generalized plasticity constitutive model of partially saturated soils
β Scribed by H.W. Zhang; R. Santagiuliana; B.A. Schrefler
- Book ID
- 113551927
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 706 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0266-352X
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## Abstract This paper presents a fully coupled finite element formulation for partially saturated soil as a triphasic porous material, which has been developed for the simulation of shield tunnelling with heading face support using compressed air. While for many numerical simulations in geotechnic