Mechanism and control of asymmetric floor heave in thick-seam gob-side roadways with staggered-elevation negative coal pillar layout

Abstract Asymmetric floor heave in gob-side entries of thick coal seams is controlled by rib-to-rib vertical-stress imbalance acting together with in-situ horizontal stress. We propose a layout-first mitigation strategy in which, under a staggered-elevation mining scheme, the gob-side roadway is sit...

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Autors principals:	Binyu Liu, Peng Wang, Zhiqiang Wang, Lu Lin, Xiaoqiang Zhou, Andrian S. Batugin
Format:	Artigo
Idioma:	Inglês
Publicat:	Nature Portfolio 2026-04-01
Col·lecció:	Scientific Reports
Matèries:	Asymmetric floor heave Staggered-elevation mining Gob-side roadway Negative coal pillar Slip failure Numerical simulation
Accés en línia:	https://doi.org/10.1038/s41598-026-49188-6
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