<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The following study presents numerical calculations for establishing an impact of temperature changes on the process of distortion of bi–phase medium. The Biot consolidation equations with Kelvin–Voigt rheological skeleton were used for that purpose. The process was exemplified by thermal consolidation of post floatation dump “–elazny Most”. We analyzed the behavior of the landfill under the action of its own weight, forces of floating filtration and temperature gradient. Values of certain effective parameters of model were obtained during laboratory tests on material obtained from the landfill. The remaining data for mediums with similar characteristics were taken from literature. The results obtained from the stress state in the landfill allow the magnitude of plasticity potential to be specified based on known strength criteria. Change in the value sign of the plasticity potential clearly testifies to the emergence of an area of plasticity of material from landfill, however, this does not indicate the loss of stability of this hydrotechnical structure.</p></abstract>

The following study presents numerical calculations for establishing an impact of temperature changes on the process of distortion of bi–phase medium. The Biot consolidation equations with Kelvin–Voigt rheological skeleton were used for that purpose. The process was exemplified by thermal consolidation of post floatation dump “–elazny Most”. We analyzed the behavior of the landfill under the action of its own weight, forces of floating filtration and temperature gradient. Values of certain effective parameters of model were obtained during laboratory tests on material obtained from the landfill. The remaining data for mediums with similar characteristics were taken from literature. The results obtained from the stress state in the landfill allow the magnitude of plasticity potential to be specified based on known strength criteria. Change in the value sign of the plasticity potential clearly testifies to the emergence of an area of plasticity of material from landfill, however, this does not indicate the loss of stability of this hydrotechnical structure.

Effect of Variation of Temperature Field on the Process of Thermal Consolidation of Tailings Pond “Zelazny Most”

Wroclaw University of Technology, Institute of Mining, Wroclaw, Poland

Wroclaw University of Technology, Institute of Geotechnics and Hydrotechnics, Wroclaw, Poland

Studia Geotechnica et Mechanica

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

The following study presents numerical calculations for establishing an impact of temperature changes on the process of distortion of bi–phase medium. The Biot...

Effect of Variation of Temperature Field on the Process of Thermal Consolidation of Tailings Pond “Zelazny Most”

Pubblicato online: 28 feb 2015

Pagine: 57 - 65

DOI: https://doi.org/10.2478/sgem-2014-0021

Parole chiave
thermal consolidation, poroelasticity theory, rheology, Kelvin-Voigt body, the theory of Biot

© 2014 Monika Bartlewska-Urban and Tomasz Strzelecki

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

Effect of Variation of Temperature Field on the Process of Thermal Consolidation of Tailings Pond “Zelazny Most”

Pubblicato online: 28 feb 2015

Pagine: 57 - 65

DOI: https://doi.org/10.2478/sgem-2014-0021

Parole chiavethermal consolidation, poroelasticity theory, rheology, Kelvin-Voigt body, the theory of Biot

© 2014 Monika Bartlewska-Urban and Tomasz Strzelecki

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

Parole chiave
thermal consolidation, poroelasticity theory, rheology, Kelvin-Voigt body, the theory of Biot