Engineering
8 years ago

Powered Supports Struggle to Withstand Intense Pressure in Shallow Coal Mines

Coal Engineering
Study on Mine Strata Pressure Law of High Cutting Fully Mechanized Coal Mining Face in Shallow Depth Seam
Zeng Tai

Paper Summary

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The study looked at how the pressure in the mine strata changes in a coal mining area. They found that the roof above the coal face was very heavy, and the support behind the coal face had to be stronger as the roof weight increased. The pressure in the middle of the coal face was higher than at the top and bottom.