Proceedings of the Rocscience International Conference 2025 (RIC 2025)

<Previous Article In Volume
Next Article In Volume>

Three-Dimensional Numerical Model Calibration of an Underground Mine Based on In-Situ Stress Measurements

Authors
Lucas Guimarães de Carvalho1, *, Thiago Cruz Bretas2
1Geotechnical Engineer, Rocscience, Belo Horizonte, MG, Brazil
2Geotechnical Engineer, Director at TBretas Consulting, Belo Horizonte, MG, Brazil
*Corresponding author. Email: lucas.guimaraes@rocscience.com
Corresponding Author
Lucas Guimarães de Carvalho
Available Online 7 December 2025.
DOI
10.2991/978-94-6463-900-1_10How to use a DOI?
Keywords
FEM; underground; field stress
Abstract

Underground mining induces significant changes in in-situ stress due to excavation method, which leads to stress redistribution and, consequently, loads concentrations on drifts walls, access tunnels and/or mining panels. As mining progresses to greater depths, empirical or observational methods for determining influence zones and support systems, for instance, have faced challenges regarding accuracy in deeper regions, as high stress levels changes orientation on the field stress. Therefore, the application of three-dimensional numerical modeling by FEM, considering the geometry of stopes and ramps combined with in-situ stress measurements, is crucial to improve predictability of sequencing, identify fragility zones and the provision of support systems. Accordingly, this study presents the results of a three-dimensional model in RS3 focusing on the evaluation of sill pillars and ring pillars based on the exploitation sequence of panel 2 of an underground mine 311m deep.

Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Download article (PDF)

<Previous Article In Volume
Next Article In Volume>
Volume Title
Proceedings of the Rocscience International Conference 2025 (RIC 2025)
Series
Atlantis Highlights in Engineering
Publication Date
7 December 2025
ISBN
978-94-6463-900-1
ISSN
2589-4943
DOI
10.2991/978-94-6463-900-1_10How to use a DOI?
Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Lucas Guimarães de Carvalho
AU  - Thiago Cruz Bretas
PY  - 2025
DA  - 2025/12/07
TI  - Three-Dimensional Numerical Model Calibration of an Underground Mine Based on In-Situ Stress Measurements
BT  - Proceedings of the Rocscience International Conference 2025 (RIC 2025)
PB  - Atlantis Press
SP  - 102
EP  - 112
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6463-900-1_10
DO  - 10.2991/978-94-6463-900-1_10
ID  - deCarvalho2025
ER  -