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Article

Sustainable Management of Autoclaved Aerated Concrete Wastes in Gypsum Composites

Department of Chemical, Materials and Production Engineering (DICMaPI), University of Naples Federico II, 80125 Naples, Italy
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Author to whom correspondence should be addressed.
Academic Editors: Ilaria Capasso, Giuseppe Brando and Gianluca Iezzi
Sustainability 2021, 13(7), 3961; https://doi.org/10.3390/su13073961
Received: 10 March 2021 / Revised: 26 March 2021 / Accepted: 29 March 2021 / Published: 2 April 2021
(This article belongs to the Special Issue Sustainable Materials for Construction)
Promoting the use of gypsum and gypsum-based materials in construction is a successful strategy from an environmental point of view; it allows a lower energy demand with a sensible reduction in carbon dioxide emissions. At the same time, the manufacturing of gypsum products can represent an interesting sector to redirect and manage the large amount of autoclaved aerated concrete (AAC) waste. In this paper a sustainable application of AAC granulate waste in gypsum-based building materials was proposed. The intrinsic compatibility derived their chemical composition and allowed it to partially substitute raw gypsum with the waste up to 30% without affecting the functional and structural properties of the final product. Physical characterization and sound absorption data confirmed that the addition of AAC waste does not significantly alter the typical porosity of the gypsum composite. Finally, all of the composites reached mechanical performances suitable for different building application as gypsum plaster. View Full-Text
Keywords: autoclaved aerated concrete; lightweight aggregates; plaster; gypsum autoclaved aerated concrete; lightweight aggregates; plaster; gypsum
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MDPI and ACS Style

Iucolano, F.; Campanile, A.; Caputo, D.; Liguori, B. Sustainable Management of Autoclaved Aerated Concrete Wastes in Gypsum Composites. Sustainability 2021, 13, 3961. https://doi.org/10.3390/su13073961

AMA Style

Iucolano F, Campanile A, Caputo D, Liguori B. Sustainable Management of Autoclaved Aerated Concrete Wastes in Gypsum Composites. Sustainability. 2021; 13(7):3961. https://doi.org/10.3390/su13073961

Chicago/Turabian Style

Iucolano, Fabio, Assunta Campanile, Domenico Caputo, and Barbara Liguori. 2021. "Sustainable Management of Autoclaved Aerated Concrete Wastes in Gypsum Composites" Sustainability 13, no. 7: 3961. https://doi.org/10.3390/su13073961

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