Research on surrounding rock control technology for gob-side entry in close-distance lower coal seam
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-22181-1
Abstract: Research on the surrounding rock control technology of along-the-gob roadways in close-distance lower coal seams of the Xiaoyu Mine in Shuozhou City, Shanxi Province, is conducted using theoretical analysis, numerical simulation, field application, and effect… read more here.
Keywords: lower coal; rock control; coal; surrounding rock ... See more keywords
Mechanism of stress transmission and feasibility of mining the lower coal seam under repeated mining in close-multiple coal seams
Sign Up to like & getrecommendations! Published in 2024 at "Frontiers in Earth Science"
DOI: 10.3389/feart.2024.1361749
Abstract: Mining in an upper coal seam results in the redistribution of vertical stress within a lower coal seam until a new equilibrium state is attained. Close-multiple coal seams mining faces the occurrence of multi-goafs and… read more here.
Keywords: coal seam; repeated mining; lower coal; stress ... See more keywords