Look-Out Tower on Pyramidenkogel, Austria

Structures Analysed with Dlubal Software

  • Customer project

Customer Project

In June 2013, one of the world's highest timber look-out structures was opened in Austria, on the Pyramidenkogel, a mountain in Carinthia. The tower including the spire is 100 m high. It has four accessible viewing platforms, one is closed and three are open, offering a breathtaking view over the Alps-Adriatic region and the lakes of Carinthia.

Structural Engineering LACKNER + RAML Ziviltechniker – GmbH
Villach, Austria
vitrag.eu
Architect Klaura + Kaden ZT GmbH Architekten
Klagenfurt, Austria
www.klaura.at
www.kaden.cc
Investor Pyramidenkogelinfrastruktur GmbH & Co KG
Klagenfurt, Austria
www.pyramidenkogel.info

Model

The spiral shape being a symbol for growth and development was the choice of the Austrian architects Klaura + Kaden.

Another highlight of the tower is Europe's highest roofed slide with a height of almost 52 m. It is built inside the structure. Riders can reach a velocity of up to 25 km/h.

The structural analysis of this extraordinary building was created by the engineering office LACKNER + RAML using RSTAB.

Tower Structure

The structure of the look-out tower is composed of a spatial framework. An essential component of the main structural system is the frame structure consisting of 16 curved larch wood columns with a cross‑section of 32/144 cm. Ten elliptical steel rings with a box section of 440/160 connect the columns. The vertical spacing between the rings is 6.40 m.

The third supporting component of the tower building is based on eight diagonal strands. The diagonals are steel tubes running from the tower base to the steeple.

Visitors can climb the platforms by using either the transparent panoramic lift or one of the two stairways. The loads of the tower's upper levels and of the tower top are transferred onto the eighth level. Two girders are arranged there with supporting cables, absorbing these loads and transferring them to the columns.

The "Skybox", a closed and sheltered building unit, lies between the eighth and ninth level. Above, there are the open viewing platforms.

The time needed for constructing the tower on the Pyramidenkogel was only eight months.

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  • Updated 14 January 2021

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