Advanced Technologies of Deep Mining

Dear Colleagues,

Economic growth is strongly dependent on the exploitation of mineral resources, and the depth of underground mining is increasing with the depletion of resources in the shallow surface. At present, the major mining countries around the world have carried out the excavation of deep mining. Coal mining depth has reached 1500 m, geothermal mining depth has exceeded 3000 m, non-ferrous metal mining depth has passed 4350 m, and oil and natural gas resources mining depth has come to 7500 m. For domestic coal mining, coal resources mined at a depth exceeding 1000 m account for 53% of the total proved amount of reserves in China. There are now about 47 deep mines with an average mining depth of 1086 m in China, and the depth of exploitation is rising at the rate of 10–25 m per year. More engineering disasters arose with the increase of mining depth, and the disasters tend to be increasingly hazardous and critical: severe deformation of roadway, intensive ground pressure at the working face, more rock bursts and coal bumps, violent instability of the working face, high accumulation of gas, increased gas pressure, as well as the increased probability and seriousness of water inrush accidents.

This Special Issue aims to publish theory and techniques that can be used to overcome the many challenges faced by researches working on disaster prevention and control for deep mining. We welcome original, high-quality research works in this area. The topics of interest include, but are not limited to:

• Mechanism of large-deformation damage in deep soft rock engineering and measures to control large deformation in deep soft rock projects;
• Mechanisms, prediction and prevention of deep rock bursts;
• High-rock-pressure control technology in deep mining;
• Roadway rock control techniques in deep rock;
• Geothermal hazard, thermodynamic effects in deep rock masses and countermeasures for controlling heat disaster;
• Strong disturbance in deep rock and its countermeasures;
• Gas and coal containment measures for deep mining;
• Water hydrodynamics, prediction models of fracture depth and water inrush risk and prevention measures in deep coal mining;
• Spontaneous combustion and fire prevention of deep coal seam.

Contributions from academia and industry are equally encouraged. Please contact the Special Issue Editor if you are considering submitting an article.

Prof. Dr. Junwen Zhang
Dr. Xuejie Deng
Dr. Zhaohui Wang
Guest Editors

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