Engineering
8 years ago

Innovative technology prevents dangerous roof collapses in coal mining operations.

Coal science and technology
Prevention and control technology for spalling and failing of high inclined broken roof in fully mechanized mining face
Wenjun Duan

Paper Summary

The researchers improved the stability of a coal mining face with a broken roof by using chemical grouting and reinforced technology. This prevented serious spalling of the coal wall and roof falling, allowing for successful mining operations.

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