Environmental impact assessment of alkali-activated materials: Examining impacts of variability in constituent production processes and transportation

Construction and Building Materials（2023）

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摘要

•Alkali-activated concretes have lower GHG emissions compared to cement concretes.•Recent data on sodium silicate production show improvement in environmental impacts.•Variability in production processes of precursors and activators influences LCA results.•Transportation has relatively small contribution to environmental impacts of AAMs.

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关键词

Alkali-activated materials (AAM),Life cycle assessment (LCA),Sodium silicates,Blast furnace slag,Fly ash,Metakaolin,Portland cement,Transportation,Life cycle inventory variability,Life cycle impact uncertainty

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