Environmental Science
8 years ago

Overburden study reveals critical factors influencing coal mine subsidence timing

Geological Society London Engineering Geology Special Publications
Influence of overburden on subsidence development over room and pillar coal mines
Alphonse C. Van Besien, John D. Rockaway

Paper Summary

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The study looked at how long it takes for subsidence to happen over old coal mines. They found that the material in the lower half of the overburden is crucial for surface subsidence. By analyzing data from different coal fields, they discovered that factors like depth of mining and pillar size affect the time it takes for subsidence to occur. This information can help predict the type of subsidence that may happen over old coal mines.