Theoretical study of strength of elastic-plastic water-saturated interface under constrained shear A. V. Dimaki, E. V. Shilko, S. G. Psakhie
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ArticleSubject(s): напряженно-деформированное состояние | поровое давление | численное моделирование | массоперенос | жидкость | твердое тело | сжатиеGenre/Form: статьи в журналах Online resources: Click here to access online
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AIP Conference Proceedings Vol. 1783. P. 020042-1-020042-4Abstract: This paper presents a theoretical study of shear strength of an elastic-plastic water-filled interface between elastic permeable blocks under compression. The medium is described within the discrete element method. The relationship between the stress-strain state of the solid skeleton and pore pressure of a liquid is described in the framework of the Biot’s model of poroelasticity. The simulation demonstrates that shear strength of an elastic-plastic interface depends non-linearly on the values of permeability and loading to a great extent. We have proposed an empirical relation that approximates the obtained results of the numerical simulation in assumption of the interplay of dilation of the material and mass transfer of the liquid.
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This paper presents a theoretical study of shear strength of an elastic-plastic water-filled interface between elastic permeable blocks under compression. The medium is described within the discrete element method. The relationship between the stress-strain state of the solid skeleton and pore pressure of a liquid is described in the framework of the Biot’s model of poroelasticity. The simulation demonstrates that shear strength of an elastic-plastic interface depends non-linearly on the values of permeability and loading to a great extent. We have proposed an empirical relation that approximates the obtained results of the numerical simulation in assumption of the interplay of dilation of the material and mass transfer of the liquid.
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