VanDusen Botanical Garden Visitor Centre | Perkins+Will
Located in the heart of Vancouver, the VanDusen Botanical Garden Visitor Centre is inspired by the organic forms of a native orchid. Requiring extensive collaboration between the architect and the structural engineer, the project?s most innovative feature is the dramatic free-form roof structure. Appearing to float above the building?s curved rammed earth walls, the roof form metaphorically represents undulating petals, flowing seamlessly into a central oculus and the surrounding landscape.
The design team pioneered a wood solution in the interests of economy, sustainability, innovation, and to meet tight time constraints imposed by a federal government stimulus funding programme. While similarly complex building forms-like Spain?s Guggenheim Bilbao Museum or the Music Experience Building in Seattle, Washington-have been achieved through the use of steel or concrete, this is believed to be the first example of a panelized wood use for such a geometrically complex form.
Curving along all three axes, the roof consists of 71 different panels, each with a different geometric form but similar framing system. Engineers were able to tackle a complex problem by breaking the project down into manageable pieces ? trapezoidal-shaped roof panel modules that were typically within a 3.6-metre-wide by 18-meter-long shipping size. The units consisted of doubly-curved glulam edge beams and sawn timber joists spanning between them. Part of the ingenuity of this simple panelized approach wa...
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