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Coal Engineering ›› 2026, Vol. 58 ›› Issue (7): 115-125.doi: 10.11799/ce202607015

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Dynamic mechanism of collapse-type sand inrush from unconsolidated layers under weakly cemented-hard composite overburden structure#br# #br#

  

  • Received:2025-11-28 Revised:2026-02-28 Online:2026-07-15 Published:2026-08-03

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