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The Historical Roof Structure of the Leopold Wing of the Vienna Hofburg Palace : Structural Assessment
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- Bader, Thomas K., 1980- (author)
- Vienna University of Technology, Austria
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- Dorn, Michael, 1978- (author)
- Linnéuniversitetet,Institutionen för byggteknik (BY)
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- Esser, Gerold (author)
- Vienna University of Technology, Austria
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- (creator_code:org_t)
- 2015
- 2015
- English.
- In: Proceedings of the International Conference on Structural Health Assessment of Timber Structures (SHATIS'15). - 9788371252563
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- In this case study, the structural behaviour of the historic roof structure of the “Leopold Wing”, part of the Hofburg, the Vienna Imperial Palace, is assessed. The current appearance of the roof is a consequence of several adaptions and extensions of the original structure that dates back to the 17th century. The main part of the roof was reconstructed in the early 1670s following a disastrous fire in February 1668. The structure had the shape of an M-roof consisting of two adjacent gable roofs. Probably in the 19th century, the centre part was closed, creating a mansard roof over the entire width of the building. Basically, the geometry of the structure is symmetric with respect to the middle wall. However, since the position of the middle wall is partly asymmetric, also the roof structure becomes asymmetric. Herein, the influence of the building history on the load-deformation behaviour of the roof structure is investigated. Therefore, structural analyses of the original M-roof and of the mansard roof are performed. The modelling of the historic roof structure is based on a deformation-accurate survey. In addition, the influence of the nonlinear, compliant behaviour of connections on the load-deformation behaviour of the timber structure is taken into account. A considerable influence of the connection slip on the deformation of the structure becomes obvious from the analysis. Consequently, consideration of the nonlinear behaviour of the joints reveals a realistic load transfer within the structure. The addition of structural elements caused additional dead loads, which increase long-term deformations.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)
Keyword
- Historic timber structures
- Building History
- Carpentry Joints
- Nonlinear Slip Curves
- Numerical Modelling
- Structural Analysis
- Civil engineering
- Byggteknik
Publication and Content Type
- ref (subject category)
- kon (subject category)
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