Wooden Sculpture Edy in St. Moritz, Switzerland
|Structural Analysis & FEM||
sblumer ZT GmbH
A. Freund Holzbau
IHT Rafz Ingenieurholzbau + Holzbautechnik GmbH
A 19‑metre‑high, walkable wooden skier named Edy was the symbolic figure of the World Ski Championships 2017 in St. Moritz.
The monument is a large replica of the deceased skier Edy Reinalter from St. Moritz. Edy the sculpture, with a total weight of 18 tons, accompanied all ceremonies in Kulm Park, such as projections, dance and climbing shows, and TV presentations.
The structure, consisting of more than 600 triangular and 54 mm thick cross‑laminated timber panels, had its calculations done by the Austrian engineering office sblumer ZT GmbH using RFEM and the add‑on modules RF‑LAMINATE and RF‑COM. RF‑COM provided the option to transfer the internal forces to MS Excel in order to design connections and perform stress analyses.
The oversized skier is comprised of five- and six‑ply cross‑laminated timber panels that are connected together by approximately 20,000 screws. The skis are 15 metres long, about 2 metres wide and their total weight is more than 6 tons. The ski sticks consist of two spruce trunks with a length of 14 metres and a diameter of 20 centimetres each.
Edy is posed in a sleek curved position. To prevent him from overturning, a twelve‑metre high tower supports him, hidden behind his back. This tower, which is made entirely of timber as well, is also a stairwell and provides access to three platforms inside the giant skier.
The impressive sculpture will be kept as a wooden World Cup monument, possibly at another location.
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Deflection analysis and stress design of laminate and sandwich surfaces
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