Alkali-activated materials (AAMs) are a class of cementitious binders that have been garnering increased attention for their potential to serve as sustainable alternatives to conventional Portland cement in concrete applications. Formulated from predominantly industrial byproducts, such as fly ash, blast furnace slag, and natural pozzolans, AAMs are activated through chemical reactions with alkaline solutions, typically comprising sodium or potassium silicates. This technology not only leverages materials that would otherwise contribute to landfill waste but also offers enhanced mechanical properties and durability, particularly in severe environmental conditions where traditional cement might fail, such as in acidic or sulfate-rich environments, and areas prone to thermal and mechanical stress.

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Alkali-Activated Materials

摘要

Alkali-activated materials (AAMs) are a class of cementitious binders that have been garnering increased attention for their potential to serve as sustainable alternatives to conventional Portland cement in concrete applications. Formulated from predominantly industrial byproducts, such as fly ash, blast furnace slag, and natural pozzolans, AAMs are activated through chemical reactions with alkaline solutions, typically comprising sodium or potassium silicates. This technology not only leverages materials that would otherwise contribute to landfill waste but also offers enhanced mechanical properties and durability, particularly in severe environmental conditions where traditional cement might fail, such as in acidic or sulfate-rich environments, and areas prone to thermal and mechanical stress.