<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

Rayleigh Waves Transformation in Liquefying Water-saturated Sands

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

Archives of Hydro-Engineering and Environmental Mechanics

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

{"article-title":"Rayleigh Waves Transformation in Liquefying Water-saturated Sands"}

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...

Rayleigh Waves Transformation in Liquefying Water-saturated Sands

Publié en ligne: 04 avr. 2017

Pages: 173 - 190

Reçu: 30 nov. 2016

DOI: https://doi.org/10.1515/heem-2016-0011

Mots clés
Rayleigh surface wave, water-saturated sand, excess pore pressure generation, soil liquefaction

© 2016 Ryszard Staroszczyk, published by De Gruyter Open

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

Rayleigh Waves Transformation in Liquefying Water-saturated Sands

Publié en ligne: 04 avr. 2017

Pages: 173 - 190

Reçu: 30 nov. 2016

DOI: https://doi.org/10.1515/heem-2016-0011

Mots clésRayleigh surface wave, water-saturated sand, excess pore pressure generation, soil liquefaction

© 2016 Ryszard Staroszczyk, published by De Gruyter Open

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

Mots clés
Rayleigh surface wave, water-saturated sand, excess pore pressure generation, soil liquefaction