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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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Ning Jiang, Jinhai Zhao, Xizhen Sun, Liyang Bai, Changxiang Wang
Format: Artigo
Sprache:Inglês
Veröffentlicht: Elsevier 2017-11-01
Schriftenreihe:Heliyon
Schlagworte:
Online Zugang:http://www.sciencedirect.com/science/article/pii/S2405844017308794
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