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TitleCost-efficient one-part alkali-activated mortars with low global warming potential for floor heating systems applications
Author(s)Abdollahnejad, Zahra
Miraldo, Sérgio
Pacheco-Torgal, F.
Aguiar, J. L. Barroso de
KeywordsFoam agents
Alkali-activated cements
Compressive strength
Thermal conductivity
Global warming potential
Cost efficiency
Issue date2017
PublisherTaylor & Francis
JournalEuropean Journal of Environmental and Civil Engineering
CitationAbdollahnejad, Z., Miraldo, S., Pacheco-Torgal, F., & Aguiar, J. B. (2017). Cost-efficient one-part alkali-activated mortars with low global warming potential for floor heating systems applications. European Journal of Environmental and Civil Engineering, 21(4), 412-429. doi: 10.1080/19648189.2015.1125392
Abstract(s)Increasing building energy efficiency is one the most cost-effective ways to reduce emissions. The use of thermal insulation materials mitigates heat loss in buildings, therefore minimising heat energy needs. In recent years, several papers were published on the subject of foam alkali-activated cements with enhanced thermal conductivity. However, on those papers cost analysis was strangely avoided. This paper presents experimental results on one-part alkali-activated cements. It also includes global warming potential assessment and cost analysis. Foam one-part alkali-activated cements cost simulations considering two carbon dioxide social costs scenarios are also included. The results show that one-part alkali-activated cements mixtures based on 26%OPC + 58.3%FA + 8%CS + 7.7%CH and 3.5% hydrogen peroxide constitute a promising cost-efficient (67 euro/m3), thermal insulation solution for floor heating systems. This mixture presents a low global warming potential of 443 KgCO2eq/m3. The results confirm that in both carbon dioxide social cost scenarios the mixture 26 OPC + 58.3 FA + 8 CS + 7.7 CH with 3.5% hydrogen peroxide foaming agent is still the most cost efficient.
AccessOpen access
Appears in Collections:C-TAC - Artigos em Revistas Internacionais

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