|Title:||Effects of Composition Type and Activator on Fly Ash-Based Alkali Activated Materials||Authors:||Lin, Chan-Yi
|Keywords:||alkali-activated materials;fly ash;GGBFs;alkali-equivalent content;amorphous;compressive strength;shrinkage||Issue Date:||1-Jan-2022||Publisher:||MDPI||Journal Volume:||14||Journal Issue:||1||Source:||POLYMERS||Abstract:||
The compressive strengths of fly ash-based alkali-activated materials (AAM), produced using various activators of only sodium hydroxide, were measured. Fly ash-based AAM specimens, produced by mixing different kinds of fly ash and ground granulated blast-furnace slag (GGBFs) with an activator containing only sodium hydroxide, were cured at ambient temperature, and then placed in air for different numbers of days. The short- and long-term compressive strengths and shrinkage of fly ash-based AAM were measured and compared to one another. The effects of type of fly ash, alkali-equivalent content, GGBFs replace percentage, and ages on the compressive strengths and shrinkage of fly ash-based AAM were investigated. Even when different fly ash was used as the raw material for AAM, a similar compressive strength can be achieved by alkali-equivalent content, GGBFs replaces percentage. However, the performance of shrinkage due to different types of fly ash differed significantly.
|Appears in Collections:||河海工程學系|
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