<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents results of numerical calculations and modeling of mining-induced surface deformation based on Finite Element Method (FEM). Applying the numerical method discussed to calculations allows us to assume a larger number of factors, such as rock mass structure, fracture network, rock properties, etc., which essentially affect the results obtained. On the basis of an elastic transversely isotropic model, an analysis of horizontal displacement distribution and surface subsidence was carried out for two sample regions of mines. The results of numerical calculations were later compared with the measured values. Such an analysis proved that the applied numerical model properly described distribution and values of subsidence and slope of subsidence trough, though there were serious differences in the values of calculated horizontal displacement, especially in areas of far influence range. In order to improve the matching, the influence of boundary conditions of the model on the value of calculated horizontal displacement was analyzed. The results are presented in graphs.</p></abstract>

The paper presents results of numerical calculations and modeling of mining-induced surface deformation based on Finite Element Method (FEM). Applying the numerical method discussed to calculations allows us to assume a larger number of factors, such as rock mass structure, fracture network, rock properties, etc., which essentially affect the results obtained. On the basis of an elastic transversely isotropic model, an analysis of horizontal displacement distribution and surface subsidence was carried out for two sample regions of mines. The results of numerical calculations were later compared with the measured values. Such an analysis proved that the applied numerical model properly described distribution and values of subsidence and slope of subsidence trough, though there were serious differences in the values of calculated horizontal displacement, especially in areas of far influence range. In order to improve the matching, the influence of boundary conditions of the model on the value of calculated horizontal displacement was analyzed. The results are presented in graphs.

Numerical Modelling of the Mining Induced Horizontal Displacement

Strata Mechanics Research Institute, Polish Academy of Sciences

Studia Geotechnica et Mechanica

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

{"article-title":"Numerical Modelling of the Mining Induced Horizontal Displacement"}

The paper presents results of numerical calculations and modeling of mining-induced surface deformation based on Finite Element Method (FEM). Applying the...

Numerical Modelling of the Mining Induced Horizontal Displacement

Published Online: Feb 12, 2016

Page range: 65 - 73

DOI: https://doi.org/10.1515/sgem-2015-0046

Keywords
Finite Element Method, horizontal displacements, mining excavation

© 2015 Krzysztof Tajduś, published by De Gruyter Open

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

Numerical Modelling of the Mining Induced Horizontal Displacement

Published Online: Feb 12, 2016

Page range: 65 - 73

DOI: https://doi.org/10.1515/sgem-2015-0046

KeywordsFinite Element Method, horizontal displacements, mining excavation

© 2015 Krzysztof Tajduś, published by De Gruyter Open

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

Keywords
Finite Element Method, horizontal displacements, mining excavation