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A platform for research: civil engineering, architecture and urbanism
Behavior of alkali-activated slag in the presence of different aluminosilicate sources
This article presents an investigation into the performance of alkali-activated slag (AAS) in the presence of different aluminosilicate sources. AAS was individually replaced by 10, 20, and 30 wt. % Metakaolin (MK), Ground ceramic waste (GCW) and ground clay brick waste (GCBW). The results showed that the Na2O/Al2O3 and CaO/SiO2 molar ratio play a crucial role in the behavior of AAS. GCW and GCBW with different contents have positive impact on the compressive strength of AAS, especially at later ages of curing. AAS performed well in the presence of 10 wt. % MK. Meanwhile, 20 and 30 wt. % caused the AAS compressive strength regression. The water demand of AAS increased with an increase in aluminosilicate’s weight percentage. Also, AAS containing GCBW showed the shortest setting times as well as the highest mechanical properties as proved by XRD, FTIR, and SEM.
Behavior of alkali-activated slag in the presence of different aluminosilicate sources
This article presents an investigation into the performance of alkali-activated slag (AAS) in the presence of different aluminosilicate sources. AAS was individually replaced by 10, 20, and 30 wt. % Metakaolin (MK), Ground ceramic waste (GCW) and ground clay brick waste (GCBW). The results showed that the Na2O/Al2O3 and CaO/SiO2 molar ratio play a crucial role in the behavior of AAS. GCW and GCBW with different contents have positive impact on the compressive strength of AAS, especially at later ages of curing. AAS performed well in the presence of 10 wt. % MK. Meanwhile, 20 and 30 wt. % caused the AAS compressive strength regression. The water demand of AAS increased with an increase in aluminosilicate’s weight percentage. Also, AAS containing GCBW showed the shortest setting times as well as the highest mechanical properties as proved by XRD, FTIR, and SEM.
Behavior of alkali-activated slag in the presence of different aluminosilicate sources
Amer, A. A. (author)
Geosystem Engineering ; 20 ; 119-128
2017-05-04
10 pages
Article (Journal)
Electronic Resource
English
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