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Author(s):	Jesse, Frank; Kaplan, Felix
Title:
Abstract:	Im Falle nicht ausreichender Tragfähigkeit eines Stahlbetonbauteils liegt die Entscheidung für eine Verstärkung oder einen Ersatz beim Tragwerksplaner. In aller Regel kommen mehrere Möglichkeiten in Betracht, darunter auch verschiedene Verfahren der Ertüchtigung der Zugzone. Der Beitrag stellt den aktuellen Stand der Technik der Verstärkungsverfahren (Spritzbeton, geklebte Carbonfaserkunststoffe und Textilbeton) für Verstärkungen der Zugzone von Biegebauteilen gegenüber, erläutert die charakteristischen Eigenschaften und Anwendungsbereiche und fasst die wesent lichen Kriterien in einer einfach handhabbaren Entscheidungsmatrix zusammen, um den Ingenieur bei der Entscheidungsfindung zu unterstützen. Methods for flexural strengthening of RC members. In case of insufficient capacity of an RC structural member the decision making on strengthening or replacement is up to the design engineer. Generally, several options are taken into consideration, among others also different techniques for tension zone strengthening. This paper gives an overview on state of the art tension zone strengthening techniques with non prestressed reinforcement for bending members. Typical properties and application areas are characterised and essential criterions are summarised in a simple to handle decision matrix to support design engineers decision making process.
Source:	Bautechnik 88 (2011), No. 7
Page/s:	433-442
Language of Publication:	German

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