Physical modeling the formation of roof collapse zones in Vorkuta coal mines

Different types of disasters occur frequently in coal mines. This paper analyzed the characteristics of different disasters, chosen the corresponding sensors to collect the information of disaster scene, and discussed the methods of multi sensor information fusion. Lastly, the multi-sensor information fusion strategies for fire, gas outburst, flood, and roof collapse were proposed in this research.

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Evidence of roof collapse detected on South African coal mines using sentinel-1 interferometry

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) ◽

10.1109/igarss.2017.8128297 ◽

2017 ◽

Author(s):

Jeanine Engelbrecht ◽

Andre Theron ◽

Shelley Haupt

Keyword(s):

South African ◽

Coal Mines ◽

Roof Collapse

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Controlled Roof Collapse during Secondary Mining in Coal Mines

International Journal of Differential Equations ◽

10.1155/2012/806078 ◽

2012 ◽

Vol 2012 ◽

pp. 1-21 ◽

Cited By ~ 1

Author(s):

Ashleigh Hutchinson

Keyword(s):

Coal Mines ◽

Roof Collapse

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Investigation of explosion hazard in longwall coal mines by combining CFD with 1/40th scaled physical modeling

Mine Ventilation ◽

10.1201/9781003188476-4 ◽

2021 ◽

pp. 37-46

Author(s):

A. Juganda ◽

H. Pinheiro ◽

F. Wilson ◽

N. Sandoval ◽

G.E. Bogin ◽

...

Keyword(s):

Physical Modeling ◽

Coal Mines ◽

Explosion Hazard

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Plugging slurry (backfill) and surface cavity closure technology

E3S Web of Conferences ◽

10.1051/e3sconf/202015701014 ◽

2020 ◽

Vol 157 ◽

pp. 01014

Author(s):

Al’bert Prokopov ◽

Marina Prokopova ◽

Sergei Stel’makh ◽

Andrei Chernil’nik

Keyword(s):

Physical Modeling ◽

Water Saturation ◽

Coal Mines ◽

New Method ◽

Relative Deformation ◽

Layer By Layer ◽

Deformation Properties ◽

Cavity Closure ◽

Layer Filling ◽

Surface Cavity

The purpose of the study is to study mining and environmental emergencies associated with the formation of sinkholes of the earth’s surface over mining workings after the mass closure of coal mines and to develop a new method for eliminating the sinkhole. The study used a method of physical modeling, which investigated the influence of humidity on the deformation properties of burnt rocks used as a filler in the manufacture of plugging and filling suspensions, while establishing the dependence of the relative deformation of dump rocks on the load at their natural humidity and water saturation. The main results of the research are: a new method for eliminating dips in the earth’s surface over the inclined opening workings of the liquidated coal mines of the Eastern Donbass; formulations of plugging and filling suspensions used for layer-by-layer filling of sinkholes and providing non-shrink laying.

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