<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Salt was excavated at the “Wieliczka” Salt Mine for over 700 years. Underground mining operations terminated in 1996, by which time almost 2,400 chambers and 245 km of galleries had been created underground, situated on 9 levels and a few interlevels. In 1978, the mine was included in the UNESCO World Heritage List, which stated that parts of the mine with historical value had to be preserved for future generations. In order to preserve the most valuable chambers and galleries, activities aimed at establishing a protection pillar for excavations were conducted in the conservation area on Levels I-V. The need of large scope preserving works created the necessity to conduct a new and truly comprehensive geomechanical analysis. Such an analysis could only be done by means of advanced numerical modelling codes. Three-dimensional calculations were performed by means of FLAC 3D finite difference code. Rock mass stability assessment in the vicinity of excavations was carried out on the basis of the distribution and range of the so called failure zones. This comprehensive geomechanical analysis allows for verification and give the directions for future preservation and closure works in the “Wieliczka” mine.</p></abstract>

Salt was excavated at the “Wieliczka” Salt Mine for over 700 years. Underground mining operations terminated in 1996, by which time almost 2,400 chambers and 245 km of galleries had been created underground, situated on 9 levels and a few interlevels. In 1978, the mine was included in the UNESCO World Heritage List, which stated that parts of the mine with historical value had to be preserved for future generations. In order to preserve the most valuable chambers and galleries, activities aimed at establishing a protection pillar for excavations were conducted in the conservation area on Levels I-V. The need of large scope preserving works created the necessity to conduct a new and truly comprehensive geomechanical analysis. Such an analysis could only be done by means of advanced numerical modelling codes. Three-dimensional calculations were performed by means of FLAC 3D finite difference code. Rock mass stability assessment in the vicinity of excavations was carried out on the basis of the distribution and range of the so called failure zones. This comprehensive geomechanical analysis allows for verification and give the directions for future preservation and closure works in the “Wieliczka” mine.

Geomechanical Numerical Analysis as a Guidance for Preservation Works of the “Wieliczka” Salt Mine Site

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Salt was excavated at the “Wieliczka” Salt Mine for over 700 years. Underground mining operations terminated in 1996, by which time almost 2,400 chambers and...

Geomechanical Numerical Analysis as a Guidance for Preservation Works of the “Wieliczka” Salt Mine Site

Published Online: Aug 01, 2017

Page range: 25 - 34

DOI: https://doi.org/10.1515/sgem-2017-0013

Keywords
geomechanical analysis, numerical modelling, physico-mechanical rock parameters, “Wieliczka” Salt Mine

© by Kajetan D’Obyrn

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Geomechanical Numerical Analysis as a Guidance for Preservation Works of the “Wieliczka” Salt Mine Site

Published Online: Aug 01, 2017

Page range: 25 - 34

DOI: https://doi.org/10.1515/sgem-2017-0013

Keywordsgeomechanical analysis, numerical modelling, physico-mechanical rock parameters, “Wieliczka” Salt Mine

© by Kajetan D’Obyrn

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
geomechanical analysis, numerical modelling, physico-mechanical rock parameters, “Wieliczka” Salt Mine