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Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study

Room-and-pillar mining is a commonly used mining method in previous practice in northwest China mining area. Due to priority selection of high-quality resources, coal mines in northwest China generally have to face upward mining above goaf. Thus, the stability of a floor coal pillar influenced by mi...

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Váldodahkkit: Zhu Li, Guorui Feng, Jiaqing Cui
Materiálatiipa: Artigo
Giella:Inglês
Almmustuhtton: Wiley 2020-01-01
Ráidu:Geofluids
Liŋkkat:http://dx.doi.org/10.1155/2020/8861348
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