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RISInfluence of Coarse Aggregate Size on the Bonding between CFRP Sheets and Metakaolin-Based Geopolymer Concrete and Ordinary Concrete
Publisher: ASCE
Abstract: Geopolymers have been employed as a replacement material for cement in construction because they are better for the environment than are other replacement material options. In recent decades, externally bonded carbon ...
Effect of Silica Moduli on the Thermal Degradation Mechanisms of Fly Ash–Based Geopolymer Mortars
Publisher: ASCE
Abstract: This study investigates the effect of silica moduli (SiO2/Na2O ratio) of alkaline activators on the degradation mechanisms of fly ash–based geopolymer (FAG) mortars that are exposed to elevated temperatures of up to 1,000°C. ...
Effects of Activator Types on Degradation Mechanisms of Metakaolin Geopolymer Mortars Exposed to High Temperature
Publisher: ASCE
Abstract: In this study, we investigated the degradation process of metakaolin-based geopolymers exposed to high temperatures up to 1,000°C. The changes in mechanical properties, microstructure, and phase assemblage of the samples ...