An elasto-plastic constitutive model for agricultural cohesive soil.
作者： L. Chi , R.L. Kushwaha , J. Shen
DOI:
关键词: Geotechnical engineering 、 Soil water 、 Finite element method 、 Soil mechanics 、 Composite material 、 Yield (engineering) 、 Shear stress 、 Plasticity 、 Materials science 、 Constitutive equation 、 Hydrostatic equilibrium
摘要: An elasto-plastic model has been developed for cohe sive soils which reflects both the elastic and plastic stress-strain behaviour of soils. Two yield surfaces were used to calculate strain underhydrostaticcompressionand shear associated withthefailuresurface. Themodelshowed a goodpredic tion accuracy underboth uniaxialand hydrostatic compressions. Keywords: soil stress-strain, model, constitutive finite element method
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