Coal pillar failure analysis and instability evaluation methods: A short review and prospect
Underground coal mining is characterized by the formation of extensive pillars. Coal pillars
serve various purposes, and their instability failure characteristics play a vital role in safety …
serve various purposes, and their instability failure characteristics play a vital role in safety …
Underground space utilization of coalmines in China: A review of underground water reservoir construction
A large number of abandoned mines with sizeable underground space resources were
formed in China. Meanwhile, for an operational mine, the protection and utilization of mine …
formed in China. Meanwhile, for an operational mine, the protection and utilization of mine …
Predicting hard rock pillar stability using GBDT, XGBoost, and LightGBM algorithms
Predicting pillar stability is a vital task in hard rock mines as pillar instability can cause large-
scale collapse hazards. However, it is challenging because the pillar stability is affected by …
scale collapse hazards. However, it is challenging because the pillar stability is affected by …
Investigating the influence of water on swelling deformation and mechanical behavior of mudstone considering water softening effect
T Wang, C Yan - Engineering Geology, 2023 - Elsevier
Mudstone not only swells and deforms but also be softened during water absorption
because it contains many hydrophilic clay minerals. To study the influence of water on the …
because it contains many hydrophilic clay minerals. To study the influence of water on the …
[HTML][HTML] Enhancing safety, sustainability, and economics in mining through innovative pillar design: A state-of-the-art review
The design of underground hard rock pillars plays a crucial role in the safety and stability of
underground mining operations. Ensuring safe and efficient resource extraction while …
underground mining operations. Ensuring safe and efficient resource extraction while …
Study on macroscopic mechanical behavior and meso-failure evolution of gabbro of different particle sizes
H Ding, X Fu, Q Sheng, J Chen, C Yan, K Tian… - Rock Mechanics and …, 2023 - Springer
As a typical heterogeneous material, the macroscopic mechanical properties of rocks are
influenced by factors, such as the type, size, and spatial distribution of internal mineral …
influenced by factors, such as the type, size, and spatial distribution of internal mineral …
Tunnel failure in hard rock with multiple weak planes due to excavation unloading of in-situ stress
S Chen, F Feng, Y Wang, D Li, W Huang… - Journal of Central South …, 2020 - Springer
Natural geological structures in rock (eg, joints, weakness planes, defects) play a vital role in
the stability of tunnels and underground operations during construction. We investigated the …
the stability of tunnels and underground operations during construction. We investigated the …
Modified joint element constitutive model for FDEM to simulate the nonlinear mechanical behavior of rocks
Y Zheng, C Yan, H Zheng - Computers and Geotechnics, 2023 - Elsevier
The closure behavior of fractured rock, which is a crucial characteristic, is challenging to
simulate accurately using commonly employed numerical models. To address this issue and …
simulate accurately using commonly employed numerical models. To address this issue and …
An overview of opportunities for machine learning methods in underground rock engineering design
Machine learning methods for data processing are gaining momentum in many geoscience
industries. This includes the mining industry, where machine learning is primarily being …
industries. This includes the mining industry, where machine learning is primarily being …
Strength reduction of initial high-stress rock pillars under different triaxial unloading paths
The mechanical behavior of deep rock pillars is closely related to the coupling effect of the
initial high stress and the excavation-unloading process. In this study, the failure and …
initial high stress and the excavation-unloading process. In this study, the failure and …