Optimization of drawing parameters based on top-coal flow law in thick-seam caving mining.

Sci Rep · 2026 · PMC13077052 · PMID 41781407

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an increasing trendno p-value reported

However, due to the higher overall top coal discharge in the initial drawing stage, the subsequent quantity of gangue released during the continuous drawing phase was larger, and the overall gangue output showed an increasing trend.

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