Assessing the stability of high-level pillars in deeply-buried metal mines stabilized using cemented backfill

K Xia, C Chen, X Liu, X Liu, J Yuan, S Dang - International Journal of Rock …, 2023 - Elsevier
Obtaining a reasonable assessment of the stability of high-level pillars stabilized using
cemented backfill is particularly important when designing deeply-buried metal mines. This …

[HTML][HTML] Estimating shear strength of high-level pillars supported with cemented backfilling using the Hoek–Brown strength criterion

K Xia, C Chen, X Liu, Y Wang, X Liu, J Yuan - Journal of Rock Mechanics …, 2024 - Elsevier
Deep metal mines are often mined using the high-level pillars with subsequent cementation
backfilling (HLSCB) mining method. At the design stage, it is therefore important to have a …

Stope Structural Parameters Design towards Green and Deep Mining: A Review

X Zhou, X Zhao, Q Qu, J Shi - Processes, 2023 - mdpi.com
A reliable design of stopes is critical to ensure both safety and efficiency in mining
operations. The evolving mining methods and technologies as well as increasing mining …

Integrating the effect of abutments in estimating the average vertical stress of elastic hard rock pillars by combining numerical modelling and artificial neural networks

N Dzimunya, Y Fujii, Y Kawamura - Underground Space, 2023 - Elsevier
Estimating average vertical pillar stresses is a critical step in designing room-and-pillar
mines. Several analytical methods can be used to estimate the vertical stresses acting on …

[PDF][PDF] Determination of the rock mass displacement zone by numerical modeling method when exploiting the longwall at the Nui Beo Coal Mine, Vietnam

TT Vu, SA Do - Miner. Depos, 2023 - researchgate.net
Purpose. It is important to conduct a study to identify the displacement zone caused by
mining operations. By numerical modeling the process of mining the longwall 31104 in …

[HTML][HTML] Numerical modeling of destress blasting for strata separation

P Konicek, T Chen, HS Mitri - Journal of Rock Mechanics and Geotechnical …, 2023 - Elsevier
Destress blasting (DB) implemented along the perimeter of safety pillars is a special
application of destressing in coal longwall mining. The goal is to separate relatively more …

Failure mechanism and stability control technology of slope during open-pit combing underground extraction: A case study from Shanxi province of China

S Shi, Z Guo, P Ding, Y Tao, H Mao, Z Jiao - Sustainability, 2022 - mdpi.com
With the development of society, the demand for mineral resources is gradually increasing,
and the current situation of decreasing total resources dictates the inevitable interaction …

Numerical Simulation of Subdam Settlement in Ash Disposal Based on CGSW Optimization

H Wang, Y Wu, Y Tian, X Li, Z Yang, L He - Applied Sciences, 2023 - mdpi.com
The stacking of impermissible materials in the disposal of dry fly ash is unprecedented in the
last 40 years of power plant management in China, and their effect on the stability of the …

Evaluation of rock stability challenges affecting the formation of sustainable pit lake towards mine closure following crown pillar extraction in open pit-underground …

VA Massawe, B Unver - Journal of Environmental Management, 2024 - Elsevier
The extraction of high-grade ore from the crown pillar (CP) in open pit-underground mines
poses stability challenges and potential environmental risks. While an open pit has the …

3D Modelling approach to identify parametric configurations for pillar stability in underground metal mine: a case study

A Mehra, G Budi - Geomatics, Natural Hazards and Risk, 2024 - Taylor & Francis
In underground metal mining, ensuring the stability of pillars considered as a principal
apprehension, given the likelihood of stress increase and relief leading to dynamic pillar …