Temat: model Biota - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of inertia forces on soil settlement under harmonic loading
Autorzy:: Wrana, B.
Pietrzak, N.
Powiązania:: https://bibliotekanauki.pl/articles/178311.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: model Biota
dynamika gruntów
ośrodek porowaty
osiadanie gruntu
porous solid
soils
soil dynamic
soil settlement
Biot model
Opis:: The paper deals with the comparison of Biot’s model for saturated, porous soils with other simplified models used in dynamic analysis. The purpose of this paper is to determine some limits of validity of the various models. In order to do this a full set of governing, dynamic equations of Biot model and a series of simplifying models such as u-p simplification and quasi-static consolidation models are considered. These formulations are applied to a simple soil layer under periodic surface loading. A displacement of skeleton and a displacement of fluid are shown and compared with each model for various formulations.
Źródło:: Studia Geotechnica et Mechanica; 2013, 35, 1; 245-258
0137-6365
2083-831X
Pojawia się w:: Studia Geotechnica et Mechanica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Dynamics coefficient for two-phase soil model
Autorzy:: Wrana, B.
Powiązania:: https://bibliotekanauki.pl/articles/178585.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: dynamic consolidation
Biot theory
dynamics
two-phase soil model
teoria Biota
dynamika
dwufazowy model gleby
konsolidacja dynamiczna
Opis:: 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.
Źródło:: Studia Geotechnica et Mechanica; 2014, 36, 2; 51-56
0137-6365
2083-831X
Pojawia się w:: Studia Geotechnica et Mechanica
Dostawca treści:: Biblioteka Nauki

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