Analysis of the top coal stability of the large section open-off cut under the gob in thick seams slicing mining.

Sci Rep · 2022 · PMC9535004 · PMID 36198751

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a decreasing trendno p-value reported

10 a and b, during the excavation of open-off cuts 2 and 3, the coal body above the mining-affected area is progressively compacted by the gangue in the upper gob, and the deformation of the coal body shows a decreasing trend.

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