Temat: static liquefaction - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Technical note: Prediction of static liquefaction by Nor Sand constitutive model
Autorzy:: Sternik, K.
Powiązania:: https://bibliotekanauki.pl/articles/178970.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: static liquefaction
Nor Sand
element test simulation
Opis:: The paper gives a short description of unstable behaviour of saturated sand under undrained monotonic loading. Constitutive model Nor Sand capable to describe static liquefaction is presented. The model is based on critical state soil mechanics and assumes associated flow rule. Hardening law incorporates the state parameter proposed earlier by Been and Jefferies. Results of numerical simulations of undrained element tests have been presented and discussed.
Źródło:: Studia Geotechnica et Mechanica; 2014, 36, 3; 75-83
0137-6365
2083-831X
Pojawia się w:: Studia Geotechnica et Mechanica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Drained Against Undrained Behaviour of Sand
Autorzy:: Sawicki, A.
Świdziński, W.
Powiązania:: https://bibliotekanauki.pl/articles/241226.pdf
Data publikacji:: 2007
Wydawca:: Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:: granular soils
stress-strain characteristics
instability line
dilative and contractive behaviour
static liquefaction
Opis:: The incremental constitutive equations describing the pre-failure deformations of sand are presented. These equations were calibrated on the basis of extensive experimental data, obtained from investigations performed in a triaxial apparatus. Incremental equations were calibrated separately for initially contractive and dilative soil samples. Then, they were applied to predict the undrained behaviour of saturated soil samples. In the case of contractive soils, the constitutive equations describe the effective stress paths leading to the static liquefaction. In the case of dilative soils, the effective stress path is different, as the mean effective stress initially decreases, and after passing the instability line, it starts to increase, asymptotically reaching the failure envelope. Theoretical predictions of undrained behaviour are supported by experimental data. The original feature of this paper is that one can predict the undrained behaviour of saturated granular soils on the basis of stress-strain characteristics of the same soil but dry or tested in drained conditions.
Źródło:: Archives of Hydro-Engineering and Environmental Mechanics; 2007, 54, 3; 207-222
1231-3726
Pojawia się w:: Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:: Biblioteka Nauki

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