Engineering
8 years ago

Unstable Coal Mines Threaten Thousands of Lives Worldwide

Sci-Tech Information Development & Economy
Study on the Stability of Long-wall Mining-field Roof Structure under the Ultra Close Distance Coal Seam Tool Pillars
Zhu Bing-bin

Paper Summary

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The study looked at how stable the roof is in coal mines when the distance between pillars is very close. By using computer simulations, the researchers found out how the roof behaves when the pillars supporting it are close together. They discovered the characteristics of the roof structure in these conditions.