Seepage channel development in the crown pillar: Insights from induced microseismicity

J Zhou, J Wei, T Yang, P Zhang, F Liu… - International Journal of …, 2021 - Elsevier
The stability of crown pillar is critical during the transition from open pit to underground
mining. Mining-induced fractures in the pillar form water seepage channels, which can …

Dynamic stability evaluation of underground cavern sidewalls against flexural toppling considering excavation-induced damage

A Li, F Dai, Y Liu, H Du, R Jiang - Tunnelling and Underground Space …, 2021 - Elsevier
Flexural toppling is a crucial engineering issue for high sidewalls of underground
powerhouse caverns in low stress regions, when a small angle between cavern axis and …

Effective evaluation of deep-hole blasting for controlling strong tremors induced by deep coal mining-A case study

J Zou, K Wu, X Zhang, J Zhu, Z Zhou, F Zheng… - International Journal of …, 2022 - Elsevier
As the coal mining goes deeper, strong mining induced tremors frequently occur, which
seriously threaten the safety of underground miners and ground residents, as well as the …

[HTML][HTML] Integrated simulation and monitoring to analyze failure mechanism of the anti-dip layered slope with soft and hard rock interbedding

J Li, Y Gao, T Yang, P Zhang, Y Zhao, W Deng… - International Journal of …, 2023 - Elsevier
The significant difference between the mechanical properties of soft rock and hard rock
results in the complexity of the failure mode of the anti-dip layered slope with soft and hard …

Deformation characteristics of sidewall and anchorage mechanisms of prestressed cables in layered rock strata dipping steeply into the inner space of underground …

A Li, F Dai, W Wu, Y Liu, K Liu, K Wang - International Journal of Rock …, 2022 - Elsevier
Local stability of underground powerhouse cavern subject to low to moderate geo-stresses,
is frequently threatened by the unpredictable displacements of high sidewall in layered rock …

Characteristics of stratum movement induced by downward longwall mining activities in middle-distance multi-seam

G Cheng, T Yang, H Liu, L Wei, Y Zhao, Y Liu… - International Journal of …, 2020 - Elsevier
With the development of mining depth, multi-seam mining activities is becoming more and
more frequent. Correspondingly, the study on stratum movement characteristics induced by …

[HTML][HTML] Analysis of rockburst mechanism and warning based on microseismic moment tensors and dynamic Bayesian networks

H Mao, N Xu, X Li, B Li, P Xiao, Y Li, P Li - Journal of Rock Mechanics and …, 2023 - Elsevier
One of the major factors inhibiting the construction of deep underground projects is the risk
posed by rockbursts. A study was conducted on the access tunnel of the Shuangjiangkou …

Application of large-scale hydraulic fracturing for reducing mining-induced stress and microseismic events: a comprehensive case study

H Kang, P Jiang, Y Feng, F Gao, Z Zhang… - Rock Mechanics and Rock …, 2023 - Springer
Roof strata control is crucial to production safety in underground coal mines. In this study, a
field trial was carried out involving large-scale hydraulic fracturing (LHF) to weaken strong …

A path for evaluating the mechanical response of rock masses based on deep mining-induced microseismic data: A case study

Y Zhao, T Yang, H Liu, S Wang, P Zhang, P Jia… - … and Underground Space …, 2021 - Elsevier
Deep, high-intensity mining has become a general development trend in mineral resource
extraction operations. Under deep mining conditions, high-intensity mining renders the …

Focal mechanism of strong ground seismicity induced by deep coal mining

K Wu, J Zou, YY Jiao, X Zhang, C Wang - Rock Mechanics and Rock …, 2023 - Springer
In recent years, strong seisms are triggered frequently during deep coal mining process,
which seriously threatens the safety of underground miners and ground residents, as well as …