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Use of fly-ash slurry in backfill grouting in coal mines
Cave backfill grouting implies grouting of the caving rock mass prior to it being compacted. The filling materials strengthen the caving rock and support the overlying strata to achieve the purpose of slowing down the surface subsidence. The broken roof will fail and collapse during mining operation...
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| Pubblicato in: | Heliyon |
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| Autori principali: | , , , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Elsevier
2017
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5727619/ https://ncbi.nlm.nih.gov/pubmed/29264423 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.heliyon.2017.e00470 |
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