Study on the regulation of hydration products and mechanical properties of fly ash-mountain sand composite backfill materials by hydroxypropyl methylcellulose

Conventional paste backfilling in underground coal mining often suffers from poor self-standing ability, and low compressive strength. To address these limitations, this study introduces hydroxypropyl methyl cellulose (HPMC) into a fly ash (FA)-mountain sand-based backfill material to develop a past...

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Autores principales:	Rui Wu, Jian Xiao, Jinrong Shi, Shi Wang, Junzhen Zhu, Binlu Li, Weihua Liu
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	Elsevier 2025-12-01
Colección:	Results in Engineering
Materias:	Paste backfill Hydroxypropyl methylcellulose (HPMC) Self-standing ability Mechanical properties Optimal dosage
Acceso en línea:	http://www.sciencedirect.com/science/article/pii/S2590123025044858
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