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Article

4 Citations

1,684 Views

14 Pages

Research on Stress Distribution Regularity and Support Optimization of an “Umbrella” Coal Pillar in a Gob-Side Roadway Based on Irregular Gob

Yongjie Yang,
Yang Zhang and
Gang Huang

Energies2022, 15(11), 3932;https://doi.org/10.3390/en15113932

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26 May 2022

Aiming at the phenomenon of a large amount of roof subsidence and rib caving in the gob-side roadway under the special “umbrella” coal pillar in isolated panel No. 325 of Yangcun Coal Mine, the stress distribution regularity of the gob-si...

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Article

3 Citations

1,225 Views

18 Pages

Reasonable Coal Pillar Width and Control Technology for Gob-Side Entry Driving in Deep Irregular Working Face

Shuaifeng Yin,
Xubo Zhao,
En Wang,
Yitao Yan,
Kanglei Han,
Jun Ma and
Yibo Wang

Processes2025, 13(1), 127;https://doi.org/10.3390/pr13010127

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6 January 2025

Aiming to address the challenges of determining the coal pillar’s width and managing the significant deformation of the surrounding rock in the deep gob-side entry driving, the limiting equilibrium zone theory, employing the operational area of...

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