Effects of composite alkaline activator on mechanical properties and hydration mechanism of cemented paste backfill with cement kiln dust

Effects of composite alkaline activator on mechanical properties and hydration mechanism of cemented paste backfill with cement kiln dust

Abstract To address the low utilization rate and environmental pollution of mine tailings (MT) and cement kiln dust (CKD), a CKD-based cemented paste backfill (CPB) material was prepared using quicklime (CaO) and sulfate (DH-7) as a composite alkaline activator (CAA), with CKD and slag as the cement...

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Bibliographic Details
Main Authors: Minhui Hu, Tianwen Dong, Zhenglong Cui
Format: Article
Language:English
Published: Nature Portfolio 2024-11-01
Series:Scientific Reports
Subjects:
Cement kiln dust
Composite alkaline activator
Cemented paste backfill
Hydration mechanism
Pore characteristics
Online Access:https://doi.org/10.1038/s41598-024-80398-y
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https://doi.org/10.1038/s41598-024-80398-y

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