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Author(s):	Lehmberg, Sven; Ledderose, Lukas; Wirth, Franz; Budelmann, Harald; Kloft, Harald
Title:
Abstract:	Mit der Entwicklung von neuartig gefügten, dünnwandigen und damit leichten Bauteilen soll der ressourceneffiziente Einsatz von ultrahochfestem faserverstärkten Feinkornbeton in Tragwerken ermöglicht werden. Die Herstellung von modularen, leistungsfähigen UHPFRC-Bauteilen wird durch den “Digital Workflow” aus digitaler Planung, Berechnung und CNC-gesteuerter Fertigungstechnik ermöglicht. Durch die Verbindung von leichten Betonelementen mittels neuer hochpräziser Non-Standard-Fügeprinzipien können diese material- und kraftflussgerecht miteinander verbunden werden. Die Ergebnisse trocken gefügter Plattenbalken zeigen die Herstellbarkeit und das Potenzial der Trockenstoßverbindungen im realen Maßstab. Beim Nachweis der Tragfähigkeit von dünnwandigen Bauelementen zeigt sich, dass der Einfluss der Faserbewehrung zusätzlich beachtet werden muss. Light-Weight Structures made of thin walled, dry jointed surface elements made of UHPFRC With the development of novel jointed, thin walled and thus light components the resource-efficient use of ultra-high performance fiber-reinforced fine grained concrete in structures can be realized. The manufacturing of modular and efficient UHPFRC components is achieved by the digital workflow as a result of digital design, calculation and CNC-controlled manufacturing technology. By linking lightweight concrete components with new, high-precision non standardized joints, such components can be connected material and force flow compatible with each other. The results with dry jointed T-beams show the manufacturability and the potential of the dry jointing system on a large scale. When checking the load capacity of thin-walled construction elements, the influence of fiber reinforcement must be especially considered.
Source:	Beton- und Stahlbetonbau 111 (2016), No. 12
Page/s:	806-815
Language of Publication:	German

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