Met Mast on Radstadt Tauern, Austria

Structures Analysed with Dlubal Software

  • Customer project

Customer Project

The construction of a 328-foot-high tower at an altitude of about 6,890 ft above sea level is a particularly challenging task. A project of this type was realized in September 2020 in the area of the "Windsfeld" summit in Flachau / Flachauwinkl, Austria. The met mast is one of the tallest structures in Austria.

Owner Windsfeld GmbH
5550 Radstadt
Structural Design, Assembly Assistance m3-ZT GmbH
5342 Abersee
Austria
www.m3-zt.at

Model Parameters

Model

The Dlubal customer m3-ZT GmbH performed the structural analysis and design of the tower, including the planning and calculation of the construction details. They utilized RFEM for the structural analysis and design. Additionally, the engineers from m3-ZT supported the assembly at this incredible height.

Structure and Structural Design

The 328-foot-high truss tower has a triangular floor plan and consists of tubular steel sections. The center distance between the three main columns is about 1 ft. Every 33 ft, the slender mast is fixed by steel cables. Depending on the load, the cables have a diameter between 0.47 in. and  0.75 in.

The structure was designed for an average wind speed of vb,0 = 101.71 ft/s (according to the Central Institution for Meteorology and Geodynamics report [ZAMG]). m3-ZT GmbH generated wind loads utilizing RWIND Simulation and imported them to the RFEM model. The civil engineering office of DI Stallinger Johann+Partner from Upper Austria carried out the verification of the structural analysis and design. This office utilized a different structural analysis and design software and applied the wind loads according to the standard (EN 1991-1-4). One result of the verification was that the support forces from wind in both models only differed by a maximum of 2%.

Industrial climbers and a helicopter helped to assemble the mast. The tower will carry out wind measurements over a period of 1.5 years.

Project Location

Windsfeld
Flachau / Flachauwinkl
Austria

Keywords

Mast Truss Tensioning Cable

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  • Updated 15 July 2021

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