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Composite UHPC-AAC/CLC facade elements with modified interior plaster for new buildings and refurbishment. Materials and production technology
RISE, SP – Sveriges Tekniska Forskningsinstitut, CBI Betonginstitutet AB, Betong & Berg.
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2015 (English)In: Journal of Facade Design and Engineering, ISSN 2213-302X, Vol. 3, no 1, 91-102 p.Article in journal (Refereed) Published
Abstract [en]

The awareness of the environmental impact of the building sector is increasing. Steel reinforced concrete is the most commonly used construction material, though with a high-embodied energy and carbon footprint. Large environmental gains may arise if an alternative to steel reinforced concrete is developed. In this context, ultra-high performance concrete (UHPC) materials are shown to be promising alternatives with advantages such as lower embodied energy and reduced environmental impact. Predictions suggest that UHPC composite elements for building envelopes could have other benefits such as an increased service life, optimised use of building area due to thinner elements and minimised maintenance due to the absence of reinforcement or use of non-corrosive reinforcing materials such as carbon fibres. In the framework of the H-HOUSE project funded by the European Commission, composite elements are developed. The aim is to create facade panels combining an autoclaved aerated concrete or cellular lightweight concrete insulation layer with an external UHPC supporting layer. To enhance occupant comfort and health, hygroscopic materials that are capable to buffer indoor air humidity shall be applied to the inside of such elements. Indoor air humidity levels are expected to be more stable, which shall subsequently improve the indoor climate and minimise potential decay to the construction.

Place, publisher, year, edition, pages
IOS Press, 2015. Vol. 3, no 1, 91-102 p.
Keyword [en]
composite panels, ultra-high performance concrete (UHPC), autoclaved aerated concrete (AAC), cellular lightweight concrete (CLC), aerogel, modified earth plaster
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:ri:diva-361DOI: 10.3233/FDE-150029OAI: oai:DiVA.org:ri-361DiVA: diva2:939529
Available from: 2016-06-20 Created: 2016-06-20 Last updated: 2016-06-29Bibliographically approved

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