New detecting method on the connecting fractured zone above the coal face and a case study

X Liu, D Fan, Y Tan, J Ning, S Song, H Wang… - Rock Mechanics and Rock …, 2021 - Springer
Underground coal mining activities cause redistribution of the stress and deformation fields
in surrounding rocks, resulting in different degrees of failure to the overlying strata above the …

Analysis of mining roadway with large deformation of broken soft coal and research on supporting technology: A case study in Xin'an coal mine, China

J Hao, X Li, Y Song, P Zhang, H Liu - Engineering Failure Analysis, 2021 - Elsevier
The safe mining of Xin'an Coal Mine was challenging because of several problems,
including the soft roadway seams, fracture development, fracturing and deformation of the …

Development of the scaled boundary finite element method for image-based slope stability analysis

DR Wijesinghe, A Dyson, G You, M Khandelwal… - Computers and …, 2022 - Elsevier
This paper presents a numerical technique for geotechnical slope stability analysis,
integrating digital image meshing with the scaled boundary finite element method, allowing …

[HTML][HTML] Coupled Eulerian-Lagrangian simulation of a modified direct shear apparatus for the measurement of residual shear strengths

L Tatnell, AP Dyson, A Tolooiyan - Journal of Rock Mechanics and …, 2021 - Elsevier
The simulation of large-strain geotechnical laboratory tests with conventional Lagrangian
finite element method (FEM) techniques is often problematic due to excessive mesh …

Sensitivity of the stability assessment of a deep excavation to the material characterisations and analysis methods

M Ghadrdan, T Shaghaghi, A Tolooiyan - Geomechanics and Geophysics …, 2020 - Springer
Due to the spatial variability of material characterisations in deep and large scale
excavations, stability assessment is often a challenging task. Numerous slope stability …

[HTML][HTML] Location monitoring approach of underground pipelines using time-sequential images

H Xu, L He, Y Chu, J He, H Xiao, C Shao - Underground Space, 2024 - Elsevier
The location monitoring of underground pipelines is of utmost significance as it helps the
effective management and maintenance of the pipelines, and facilitates the planning of …

Probabilistic investigation of RFEM topologies for slope stability analysis

AP Dyson, A Tolooiyan - Computers and Geotechnics, 2019 - Elsevier
Abstract The Random Finite Element Method (RFEM) is an increasingly popular tool in
geotechnical engineering, especially for analysis of spatial variation and uncertainty in slope …

[HTML][HTML] The role of creep deformation in pit lake slope stability

AP Dyson, MS Moghadam, A Zad… - … and Geophysics for Geo …, 2022 - Springer
Large-scale open-pit mining activities have profound impacts on the surrounding landscape
and environment. At the cessation of open-pit mining, the rehabilitation of large void spaces …

[HTML][HTML] Large deformation characteristics of surrounding rock and support technology of shallow-buried soft rock roadway: a case study

L Zhu, Q Yao, Q Xu, L Yu, Q Qu - Applied Sciences, 2022 - mdpi.com
The coal resources in the coal-rich area of western China are mostly located in the late
diagenetic Cretaceous and Jurassic strata. In this paper, a study on the support of soft rock …

The mechanical behaviour of pre-existing transverse cracks in lignite under uniaxial compression

J Wen, Z Tang, AP Dyson, A Tolooiyan - Geomechanics and Geophysics …, 2021 - Springer
Intermediate geotechnical materials such as Victorian Brown Coal (VBC) often exhibit
complex fracture characteristics due to the interplay of ductile and brittle behaviour. A …