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Design of UHPC-AAC light-weight composite facade elements for refurbishment

  • The aim of this study was to develop a lightweight composite façade element for refurbishment of existing façades. It was crucial to minimize the thermal bridges and to undercut the thermal requirement of the system existing façade new element. The awareness of the environmental impact of the building sector is increasing. 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, optimized use of building area due to thinner elements and minimized maintenance due to the absence of reinforcement or use of non-corrosive reinforcing materials such as carbon fibers. In this framework, composite elements have been developed combining an autoclaved aerated concrete insulation layer with an external UHPC supporting layer. The resultsThe aim of this study was to develop a lightweight composite façade element for refurbishment of existing façades. It was crucial to minimize the thermal bridges and to undercut the thermal requirement of the system existing façade new element. The awareness of the environmental impact of the building sector is increasing. 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, optimized use of building area due to thinner elements and minimized maintenance due to the absence of reinforcement or use of non-corrosive reinforcing materials such as carbon fibers. In this framework, composite elements have been developed combining an autoclaved aerated concrete insulation layer with an external UHPC supporting layer. The results show that the lightweight composite element has a good performance in term of thermal transmittance and minimization of thermal bridges.zeige mehrzeige weniger

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Metadaten
Autor*innen:Lorenzo Miccoli, Patrick Fontana, O. Kreft, B. Pietruszka, A. Lukaszewska, A. Klinge
Persönliche Herausgeber*innen:G. De Schutter, N. De Belie, A. Janssens, N. Van Den Bossche
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Proceedings of XIV DBMC - 14th International Conference on Durability of Building Materials and Components
Jahr der Erstveröffentlichung:2017
Verlag:RILEM Publications S.A.R.L.
Jahrgang/Band:PRO 107
Erste Seite:1
Letzte Seite:10
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Autoclaved aerated concrete; Composite panels; Hygrothermal behaviour; Production technology; Ultra-high performance concrete
Veranstaltung:XIV DBMC - 14th International Conference on Durability of Building Materials and Components
Veranstaltungsort:Gent, Belgium
Beginndatum der Veranstaltung:29.05.2017
Enddatum der Veranstaltung:31.05.2017
ISBN:978-2-35158-159-9
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:12.06.2017
Referierte Publikation:Nein
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