Recycling Rigid Polyurethane and Aluminum Powder Waste in Sustainable Foamed Geopolymer Concrete

This study evaluates the performance of foamed geopolymer concrete (FGC) incorporating rigid polyurethane (PU) waste as a partial sand replacement and aluminum powder (AP, 1%) as a foaming agent. The mixtures were based on metakaolin, fly ash, and silica fume. Fresh and hardened properties were asse...

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Principais autores:	Ali H. AlAteah, Turki S. Alahmari, Raid S. Alrashidi, Adeshina A. Adewumi, Sahar A. Mostafa
格式:	Artigo
語言:	Inglês
出版:	MDPI AG 2026-04-01
叢編:	Buildings
主題:	foamed geopolymer concrete rigid polyurethane waste aluminum waste powder mechanical properties microstructural characteristics
在線閱讀:	https://www.mdpi.com/2075-5309/16/9/1670
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