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Xiaoyu Tang, Wen Wan, Zhenxing Lu and Wei Chen
To investigate the influence of non-singular terms (T stress) in the stress field on the composite fractures of hard rock Type I?II, such as rock splitting failure and hydraulic fracture propagation, this study focused on hard rocks in metallic mines. Th...
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Qihang Li, Yunmin Wang, Xiaoshuang Li and Bin Gong
This research examines how rainfall and mining affect the slope damage resulting from the transition from open-pit mining to underground mining. Using an unmanned aerial vehicle (UAV), the Huangniu slope of the Dexing Copper Mine was fully characterized,...
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Zhu Li, Chengen Qi, Rui Gao, Bin Yu, Yiran Zhu, Hong Zhang and Jingyu Zhang
Fracturing hard roofs by ground hydraulic action is an important control technology for the strong mine pressure in the stope. In this paper, a new simulation method, ?separate + interface,? is proposed, and two physical simulation experiments are conduc...
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Nicholas R. MacDonald, Timothy R. M. Packulak and Jennifer J. Day
Direct shear (DS) is a common geotechnical laboratory test used to determine strength and deformation properties of rock discontinuities, such as normal and shear stiffness, peak and residual shear strength, and dilation. These are used as inputs for dis...
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Dong Tang, Huixiang Jian, Min Song and Zhongming Jiang
During the operation of underground water-sealed oil storage caverns, a large amount of oil vapor is generated due to volatilization. Oil vapor can easily leak into the surrounding rock, and fractures in the surrounding rock are usually the dominant chan...
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Pradeep S. Naulia, Arunava Roy, Junzo Watada and Izzatdin B. A. Aziz
The purpose of the current study is to propose a novel meta-heuristic image analysis approach using multi-objective optimization, named ?Pixel-wise k-Immediate Neighbors? to identify pores and fractures (both natural and induced, even in the micro-level)...
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Liao He, Qingfeng Li and Baifu An
Geological hazards, such as the frequent occurrence of rock bursts in deep mining, emphasize the critical necessity for the early warning and prediction of dynamic fractures in coal and rock masses, as well as the destabilization of the surrounding rock....
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Ronald Maharaj, Sushil Kumar, Nicholas Rollings and Andreas Antoniou
A geophysical method, electrical resistivity tomography, was applied to identify potential groundwater-bearing zones around Nubutautau village on Viti Levu island, Fiji. Apparent resistivity data of the subsurface were collected through an electrode asse...
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Charalampos Konstantinou and Yuze Wang
Microbially induced calcium carbonate precipitation (MICP) is an innovative biocementation technique that facilitates the formation of calcium carbonate within a pore network. Initially gaining prominence in the field of geotechnical engineering, MICP ha...
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Cunfei Ma, Xianxu Fang, Xiaonan Ma, Xiantai Liu, Bingkun Xu and Xinmin Ge
By combining thermal simulation experiments with core data, thin sections, scanning electron microscopy (SEM), source rock, and high-pressure mercury and gas adsorption analysis, this paper evaluates the properties and models of shale reservoirs in the u...
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