<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper investigates a description of energy dissipation within saturated soils-diffusion of pore-water. Soils are assumed to be two-phase poro-elastic materials, the grain skeleton of which exhibits no irreversible behavior or structural hysteretic damping. Description of motion and deformation of soil is introduced as a system of equations consisting of governing dynamic consolidation equations based on Biot theory. Selected constitutive and kinematic relations for small strains and rotation are used. This paper derives a closed form of analytical solution that characterizes the energy dissipation during steady-state vibrations of nearly and fully saturated poro-elastic columns. Moreover, the paper examines the influence of various physical factors on the fundamental period, maximum amplitude and the fraction of critical damping of the Biot column. Also the so-called dynamic coefficient which shows amplification or attenuation of dynamic response is considered.</p></abstract>

The paper investigates a description of energy dissipation within saturated soils-diffusion of pore-water. Soils are assumed to be two-phase poro-elastic materials, the grain skeleton of which exhibits no irreversible behavior or structural hysteretic damping. Description of motion and deformation of soil is introduced as a system of equations consisting of governing dynamic consolidation equations based on Biot theory. Selected constitutive and kinematic relations for small strains and rotation are used. This paper derives a closed form of analytical solution that characterizes the energy dissipation during steady-state vibrations of nearly and fully saturated poro-elastic columns. Moreover, the paper examines the influence of various physical factors on the fundamental period, maximum amplitude and the fraction of critical damping of the Biot column. Also the so-called dynamic coefficient which shows amplification or attenuation of dynamic response is considered.

Dynamics Coefficient for Two-Phase Soil Model

Cracow University of Technology, Faculty of Civil Engineering, Kraków, Poland

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Dynamics Coefficient for Two-Phase Soil Model"}

The paper investigates a description of energy dissipation within saturated soils-diffusion of pore-water. Soils are assumed to be two-phase poro-elastic...

Dynamics Coefficient for Two-Phase Soil Model

Data publikacji: 28 lut 2015

Zakres stron: 51 - 56

DOI: https://doi.org/10.2478/sgem-2014-0020

Słowa kluczowe
dynamic consolidation, Biot theory, dynamics, two-phase soil model

© 2014 Bogumił Wrana

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Dynamics Coefficient for Two-Phase Soil Model

Data publikacji: 28 lut 2015

Zakres stron: 51 - 56

DOI: https://doi.org/10.2478/sgem-2014-0020

Słowa kluczowedynamic consolidation, Biot theory, dynamics, two-phase soil model

© 2014 Bogumił Wrana

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Słowa kluczowe
dynamic consolidation, Biot theory, dynamics, two-phase soil model