Chapter
Jul 11, 2012
Gravity Design of Post-Tensioned Timber Frames for Multi-Storey Buildings
Authors: W. van Beerschoten [email protected], A. Palermo [email protected], and D. Carradine [email protected]Author Affiliations
Publication: Structures Congress 2012
Abstract
This paper describes the use of post-tensioning for timber gravity frames. These frames can be used for multi-storey commercial and office buildings. Two different configurations are described, one with prefabricated post-tensioned timber beams and one with post-tensioning through the full length of the frame. In the latter, beam-column connections are created by the clamping force due to the posttensioning. It is shown that post-tensioning of timber beams can create a precamber which helps to satisfy deflection criteria. This makes it possible to create long span timber beams while limiting the section height. Key design issues including deflections, tendon profile, deviators and tendon anchorage are addressed. The behavior of these connections is presented and the three deformation components of the connection are explained. A design example of a post-tensioned timber frame is also included.
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Copyright
© 2012 American Society of Civil Engineers.
History
Published online: Jul 11, 2012
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ASCE Technical Topics:
- Beams
- Building design
- Building materials
- Buildings
- Continuum mechanics
- Design (by type)
- Displacement (mechanics)
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Frames
- Material mechanics
- Material properties
- Materials engineering
- Mechanical properties
- Mid-rise buildings
- Solid mechanics
- Structural engineering
- Structural mechanics
- Structural members
- Structural systems
- Structures (by type)
- Tension
- Wood and wood products
- Wood beams
- Wood structures
Authors
Affiliations
University of Canterbury, Department of Civil and Natural Resources Engineering Private Bag 4800, Christchurch 8140, New Zealand. E-mail: [email protected]
University of Canterbury, Department of Civil and Natural Resources Engineering Private Bag 4800, Christchurch 8140, New Zealand. E-mail: [email protected]
University of Canterbury, Department of Civil and Natural Resources Engineering Private Bag 4800, Christchurch 8140, New Zealand. E-mail: [email protected]
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