Dynamic Hazard Controls in Underground Mines
1Univerisity of Wollongong, Wollongong, Australia
2China University of Mining & Technology, Xuzhou, China
3University of Wollongong, Wollongong, Australia
Dynamic Hazard Controls in Underground Mines
Description
Dynamic hazards in underground mines, such as rock burst, coal burst, outburst, etc., can cause serious damage to the underground mining equipment. They are the main causes of severe fatality. Increased depth of cover, high geo-stress, and high gas pressure are the main hazards in underground mines, and their mechanisms are studied by scholars. Various means of prevention, and forecasting of these hazards are suggested, and implemented in underground mines.
Most of these hazards can happen in a short period of time, and result in serious consequences. For instance, the time duration of a coal, and gas outburst is less than a minute, yet it can release hundreds of tons of coal, and thousands of cubic meters of gas. The duration of a coal burst may be even shorter, only by several seconds. Monitoring techniques, and precaution procedures are critical in preventing these hazards. Prior to these events, different signals can be noticed, like sounds, seismic, borehole bursts. A proper risk assessment plan should be taken, and the control methods, such as destress drilling, hydrofracking, water infusion, and gas drainage, should be applied. Effective monitoring, and control systems should be installed in these related mines. All these factors impose challenges for a safe, and effective mining production.
The aim of this Special Issue is to solicit original research articles, focussing on collecting research outputs on the management, and control of underground hazards such as laboratory experiments, numerical modeling or field case studies. We hope that this Special Issue connects current research with field applications. Review articles discussing the state of the art are also welcome.
Potential topics include but are not limited to the following:
- Rock burst, and coal burst
- Coal, and gas outburst
- Mechanisms of burst, and outburst
- Underground dynamic hazards prevention, and forecasting
- Laboratory, and numerical studies
- Typical case studies of rock/coal burst
- Gas drainage, and enhanced coal seam gas recovery
- Hydraulic fracturing