The damage-failure criteria for numerical stability analysis of underground excavations: A review

S Heidarzadeh, A Saeidi, A Rouleau - Tunnelling and Underground Space …, 2021 - Elsevier
Failure of rock mass in deep underground excavations could be attributed to a broad range
of performance malfunction, from plastic yielding of rock, generation of macro cracks on the …

Grid search optimised artificial neural network for open stope stability prediction

G Erdogan Erten, S Bozkurt Keser… - International Journal of …, 2021 - Taylor & Francis
The assessment of the stope stability is of great importance in the underground mine design
process. The instability of stopes leads to serious economic and safety problems in mining …

A new criterion for numerical modelling of hangingwall overbreak in open stopes

JA Vallejos, L Díaz - Rock Mechanics and Rock Engineering, 2020 - Springer
Determining stability, quantifying planned dilution, and estimating the potential dilution
associated with hangingwall overbreak are critical in the process of stope design in sublevel …

Strategies for surface crown pillar design using numerical modelling–A case study

T Chen, HS Mitri - International Journal of Rock Mechanics and Mining …, 2021 - Elsevier
The extraction of shallow ore deposits using underground mining methods rather than open
pit mining is not uncommon nowadays, especially with the increased environmental …

A feasibility study on the implementation of neural network classifiers for open stope design

AC Adoko, F Saadaari, D Mireku-Gyimah… - Geotechnical and …, 2022 - Springer
Assessing the stability of stopes is essential in open stope mine design as unstable
hangingwalls and footwalls lead to sloughing, unplanned stope dilution, and safety …

Research into stress-strain state of the mass under open pit with a change in the open-pit bottom width.

A Imashev, A Suimbayeva… - Mining of Mineral …, 2022 - search.ebscohost.com
Purpose. Studying the stress-strain state of the rock mass under the open pit, taking into
account the change in the open-pit bottom width in order to reveal the geomechanical state …

The effects of in situ stress uncertainties on the assessment of open stope stability: case study at the Niobec Mine, Quebec (Canada)

A Saeidi, S Heidarzadeh, S Lalancette… - Geomechanics for Energy …, 2021 - Elsevier
In deep underground mines, a successful development plan to exploit deeper mining levels
is highly dependent on adequate consideration of the magnitude and orientation of situ …

[HTML][HTML] Numerical analysis for assessing the effects of crown pillar thickness on ore dilution around the sub-level open stopes

VB Guggari, H Kumar, G Budi - Ain Shams Engineering Journal, 2024 - Elsevier
Sub-level open stopes with delayed backfill are being used to extract massive, tabular, and
steeply dipping ore bodies for increased productivity. Crown pillars in the orebody divide …

Industry survey on the current state of stope design methods in the underground mining sector

M Janiszewski, S Pontow, M Rinne - Energies, 2021 - mdpi.com
Stope design is a core discipline within mining engineering. This study analyzes the current
state-of-the-art of stope design through a survey addressed to mining industry professionals …

[HTML][HTML] A methodology for damage evaluation of underground tunnels subjected to static loading using numerical modeling

S Heidarzadeh, A Saeidi - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
We have proposed a methodology to assess the robustness of underground tunnels against
potential failure. This involves developing vulnerability functions for various qualities of rock …