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Bending Beams Made of Cross Laminated Timber with Load in Board Plane

https://research.thinkwood.com/en/permalink/catalogue1143
Year of Publication
2013
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Application
Beams
Author
Flaig, Marcus
Organization
Karlsruher Institut für Technologie
Year of Publication
2013
Format
Thesis
Material
CLT (Cross-Laminated Timber)
Application
Beams
Topic
Mechanical Properties
Keywords
bending resistance
Shear Load Capacity
Deformations
Research Status
Complete
Summary
In der vorliegenden Arbeit wurden die Anwendungsmöglichkeiten von Biegeträgern aus Brettsperrholz bei Beanspruchung in Plattenebene untersucht. Mit Hilfe numerischer und analytischer Methoden wurden die für die Bemessung von Brettsperrholzträgern erforderlichen Ansätze für den Nachweis der Biege- und der Schubtragfähigkeit sowie zur Berechnung der Verformungen entwickelt und hergeleitet.
Online Access
Free
Resource Link
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Dynamic Response of an Under-Deck Cable-Stayed Timber-Concrete Composite Bridge Under a Moving Load

https://research.thinkwood.com/en/permalink/catalogue2037
Year of Publication
2018
Topic
Mechanical Properties
Design and Systems
Material
Timber-Concrete Composite
Application
Bridges and Spans
Author
Lyu, Zhan
MÁLAGA-CHUQUITAYPE, Christian
Ruiz-Teran, Ana
Organization
Imperial College London
Year of Publication
2018
Format
Conference Paper
Material
Timber-Concrete Composite
Application
Bridges and Spans
Topic
Mechanical Properties
Design and Systems
Keywords
FE model
Post-Tensioned
Shear Deformations
Deflection
Shear Forces
Dynamic Response
Conference
World Conference on Timber Engineering
Research Status
Complete
Summary
Timber-Concrete Composite bridges have the potential to achieve significant levels of structural efficiency through the synergistic use of Engineering Wood Products (EWPs) and reinforced concrete. With the implementation of post-tensioned under-deck tendons, the range of application of TCC bridges can be extended to medium spans. However, little work has been done to date to study the dynamic response of these newly proposed bridges. In this paper, a set of FE models representing 60-m span structures are analysed to gain understanding on the dynamic response of post-tensioned under-deck TCC bridges. Two models with Euler and Timoshenko beam idealizations are considered in order to evaluate the significance of shear deformations on deflection, structural stresses and connector shear forces. Besides, an analytical model is formulated and compared against the numerical predictions. The results show that timber shear deformations should be considered in the design of post-tensioned under-deck TCC bridges. The dynamic characteristics of the bridge models were studied. The dynamic amplification caused by a moving point load on key response parameters such as deflection, stresses and connector shear forces is discussed. Also, a sensitivity study on the speed of moving load is conducted to investigate its influence on the bridge dynamic response.
Online Access
Free
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A Mechanics Based Approach for Determining Deflections of Stacked Multi-Storey Wood Based Shear Walls

https://research.thinkwood.com/en/permalink/catalogue738
Year of Publication
2013
Topic
Mechanical Properties
Serviceability
Material
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Shear Walls
Author
Newfield, Grant
Ni, Chun
Wang, Jasmine
Organization
Canadian Wood Council
FPInnovations
Year of Publication
2013
Format
Report
Material
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Shear Walls
Topic
Mechanical Properties
Serviceability
Keywords
Multi-Storey
Deflection
Flexural Deformations
Shear
Research Status
Complete
Summary
The 2009 edition of CSA Standard O86, Engineering Design in Wood (CSA 2009), provides an equation for determining the deflection of shear walls. It is important to note that this equation only works for a single-storey shear wall with load applied at the top of the wall. While the equation captures the shear and flexural deformations of the shear wall, it does not account for moment at the top of the wall and the cumulative effect due to rotation at the bottom of the wall, which would be expected in a multi-storey structure. In this fact sheet, a mechanics-based method for calculating deflection of a multi-storey wood-based shear wall is presented.
Online Access
Free
Resource Link
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