Timber Veil of TD Place Stadium in Ottawa, Canada
Following remodeling, the TD Place Stadium in Canada’s capital, Ottawa, can hold up to 24,000 visitors. The sports complex is located at Lansdowne Park and is primarily used for Canadian football and soccer. The architectural highlight of the stadium is the curvilinear timber veil.
|Client||City of Ottawa / Ottawa Sports and Entertainment Group (OSEG)|
Moses Structural Engineers Inc. & Halsall
Dlubal customer Moses Structural Engineers Inc. from Toronto, Canada wrote a pre-design feasibility report, worked in 3D to develop the preliminary geometry and detailed the design with supply, shipping, and installation in mind.
The engineers from Moses also developed the erection sequencing plan for the contractor and refined the shop details and drawings. The structural analysis of the steel-timber structure was carried out with RSTAB.
Structure of the Timber Veil
The structure consists of 24 curved glued laminated members with varying lengths. The members are supported at the base with a pinned connection and fixed at the top by means of a tubular steel structure to the reinforced concrete structure of the stadium. Additionally, the steel diagonals stiffen the structure in the lateral directions. The curved beams are connected horizontally with multiple, smaller glued laminated beams.
The elegant timber veil has received numerous awards, including:
- 2014 Wood Design Award, Ontario Wood WORKS!
- 2014 North American Citation, Wood Design Award
- 2015 Award of Merit – Urban Elements, Ottawa Urban Design Awards
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View behind the facade with the fastening of the trusses to the steel pipe structure (Photo: © Mark Cichy, Design It Mill)
RSTAB model of the timber facade of TD Place Stadium in Ottawa, Canada (© Moses Structural Engineers Inc.)
The cross-section resistance design analyzes tension and compression along the grain, bending, bending and tension/compression as well as the strength in shear due to shear force.
The design of structural components at risk of buckling or lateral-torsional buckling is performed according to the Equivalent Member Method and considers the systematic axial compression, bending with and without compressive force as well as bending and tension. Deflection of inner spans and cantilevers is compared to the maximal allowable deflection.
Separate design cases allow for a flexible and stability analysis of members, sets of members, and loads.
Design-relevant parameters such as the stability analysis type, member slendernesses, and limit deflections can be freely adjusted.
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