Rayleigh Waves Transformation in Liquefying Water-saturated Sands

• Autorzy: Staroszczyk R.

Identyfikatory

DOI

10.1515/heem-2016-0011

• Języki publikacji: EN

Abstrakty

EN

The behaviour of a water-saturated sand deposit subjected to dynamic loads induced by the propagation of Rayleigh surface waves is analysed. Cyclic shearing of the saturated sand matrix due to ground motions results in the development of excess pore pressures in the soil and its subsequent liquefaction. The phenomena of pore pressure generation and soil liquefaction are investigated within the framework of a compaction theory for saturated granular media. The results of calculations, carried out by a finite-element method, illustrate the evolution of pore pressures and the development of liquefaction zones in the soil, and show the variation of surface wave parameters with the progressive degradation of the strength of the subsoil.

Słowa kluczowe

EN

Rayleigh surface wave; water-saturated sand; excess pore pressure generation; soil liquefaction

• Wydawca: Institute of Hydro-Engineering of Polish Academy of Sciences
• Czasopismo: Archives of Hydro-Engineering and Environmental Mechanics
• Rocznik: 2016
• Tom: Vol. 63, nr 2-3
• Strony: 173--190
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Staroszczyk R.

• Institute of Hydro-Engineering, Polish Academy of Sciences, Kościerska 7, 80-328 Gdańsk, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).