Macroscopic modeling of soils is based on a number of properties that refer to the mesoscopic morphology.The most fundamental parameters of this art are:1)coupling parameters between partial stresses of components and...Macroscopic modeling of soils is based on a number of properties that refer to the mesoscopic morphology.The most fundamental parameters of this art are:1)coupling parameters between partial stresses of components and deformations of components,2)porosities,3)saturation,and 4)permeability and diffusivity,tortuosity.The main aim of this paper is to present in juxtaposition continuous one-,two-,and three-component models of geomaterials appearing in construction of embankment dams.In particular,the above mentioned features,especially saturation with water and seepage problems,modeling of fluidization yielding piping,and generalizations of the Darcy law and changes of porosity,are presented.展开更多
文摘Macroscopic modeling of soils is based on a number of properties that refer to the mesoscopic morphology.The most fundamental parameters of this art are:1)coupling parameters between partial stresses of components and deformations of components,2)porosities,3)saturation,and 4)permeability and diffusivity,tortuosity.The main aim of this paper is to present in juxtaposition continuous one-,two-,and three-component models of geomaterials appearing in construction of embankment dams.In particular,the above mentioned features,especially saturation with water and seepage problems,modeling of fluidization yielding piping,and generalizations of the Darcy law and changes of porosity,are presented.