<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents and discusses the results of numerical modelling of pore water pressure build-up in post-flotation saturated tailings deposited at the Tailings Storage Facility “Żelazny Most”, caused by seismic-induced dynamic loading. Numerical simulations were based on the compaction/liquefaction model proposed by A. Sawicki. The model parameters were determined in the laboratory for tailings sampled at the TSF “Żelazny Most”. The sensitivity of the numerical model was verified in a series of numerical tests for various horizontal acceleration amplitudes. In the main calculations, an accelerogram recorded during a real paraseimic event was assumed. The results obtained show that, with the current seismic activity near the TSF “Żelazny Most”, some pore water pressure is generated within the saturated tailings layer, but it does not trigger the liquefaction phenomenon.</p></abstract>

This paper presents and discusses the results of numerical modelling of pore water pressure build-up in post-flotation saturated tailings deposited at the Tailings Storage Facility “Żelazny Most”, caused by seismic-induced dynamic loading. Numerical simulations were based on the compaction/liquefaction model proposed by A. Sawicki. The model parameters were determined in the laboratory for tailings sampled at the TSF “Żelazny Most”. The sensitivity of the numerical model was verified in a series of numerical tests for various horizontal acceleration amplitudes. In the main calculations, an accelerogram recorded during a real paraseimic event was assumed. The results obtained show that, with the current seismic activity near the TSF “Żelazny Most”, some pore water pressure is generated within the saturated tailings layer, but it does not trigger the liquefaction phenomenon.

Modelling of Post-flotation Tailings Liquefaction Induced by Paraseismic Events

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":"Modelling of Post-flotation Tailings Liquefaction Induced by Paraseismic Events"}

This paper presents and discusses the results of numerical modelling of pore water pressure build-up in post-flotation saturated tailings deposited at the...

Modelling of Post-flotation Tailings Liquefaction Induced by Paraseismic Events

Published Online: Apr 04, 2017

Page range: 215 - 233

Received: Dec 05, 2016

DOI: https://doi.org/10.1515/heem-2016-0013

Keywords
post-flotation tailings, cyclic loading, liquefaction, modelling

© 2016 Waldemar Świdziński, published by De Gruyter Open

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

Modelling of Post-flotation Tailings Liquefaction Induced by Paraseismic Events

Published Online: Apr 04, 2017

Page range: 215 - 233

Received: Dec 05, 2016

DOI: https://doi.org/10.1515/heem-2016-0013

Keywordspost-flotation tailings, cyclic loading, liquefaction, modelling

© 2016 Waldemar Świdziński, published by De Gruyter Open

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

Keywords
post-flotation tailings, cyclic loading, liquefaction, modelling