Cargando…

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...

Descripción completa

Detalles Bibliográficos
Autores principales: Jiang, Ning, Zhao, Jinhai, Sun, Xizhen, Bai, Liyang, Wang, Changxiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5727619/
https://www.ncbi.nlm.nih.gov/pubmed/29264423
http://dx.doi.org/10.1016/j.heliyon.2017.e00470