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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.…
Autor*innen: | Lorenzo Miccoli, Patrick Fontana, O. Kreft, B. Pietruszka, A. Lukaszewska, A. Klinge |
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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 |