Strengthening Behavior of Cemented Paste Backfill Using Alkali-Activated Slag Binders and Bottom Ash Based on the Response Surface Method

A new type of cemented paste backfill (CPB) was prepared by using the bottom ash (BA) from a thermal power plant as an aggregate, alkali-activated slag as a binder, and an air-entraining agent as an admixture. Based on the central composite design (CCD) response surface method, the mix ratio was opt...

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Bibliographic Details
Main Authors: Qi Sun, Xueda Wei, Tianlong Li, Lu Zhang
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/13/4/855