Research on the stability of support structures in steeply dipping coal seam working face

Yanhua Guo, Yanjie Zhang, Xian-gang Han, Teng-jiao Wang, Chi Zhu, Haoyu Song · 2026

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Description

Mining a coal seam that tilts steeply is hard on the steel supports that hold up the working face. Yanhua Guo and co-authors study how those supports can slide or tip in a 2026 paper. Bending the face into a curve has been shown to help, and the team set out to explain why.

They built force models for both sliding and toppling and derived the balance point for each failure mode. From those models they found the least push-back force a support must give to stay stable. Curved layouts spread the load better across the lower supports, the models show. Field checks in a real mine backed the math, giving guidance for safer steep mining.

Catalog record

CREATORYanhua Guo, Yanjie Zhang, Xian-gang Han, Teng-jiao Wang, Chi Zhu, Haoyu Song
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE74 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC13332205

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