Open-Air Theater Grandstand Roof Structure in Sömmersdorf, Germany
3D Model of the Roof Structure in RSTAB (© Joachim Ingenieure)
Open-Air Theater Grandstand Roof Structure in Sömmersdorf (© Joachim Ingenieure)
Roof Structure During Construction (© Joachim Ingenieure)
Customer Project
| Client |
Fränkische Passionsspiele Sömmersdorf passionsspiele-soemmersdorf.de |
| Architect |
Dipl.-Ing (FH) Michael Theiss, Oberwerrn www.michaeltheiss.de |
| Structural Analysis |
Joachim Ingenieure, Schweinfurt Dipl.-Ing. (FH) Stephan Knop www.joachim-ing.de |
An impressive roof structure was constructed over the Passion Play open-air theater in Sömmersdorf, Franconia (Germany). The self-supporting spatial steel structure includes a PVC membrane roof covering the 14,908 ft2 auditorium. Only four foundations in total support the entire roof structure.
The valuable Dlubal customer Joachim Ingenieure was the design engineer for this fascinating project. The engineering office utilized RSTAB for the structural analysis.
Structure
The main structure includes two pairs of framework arched trusses inclined in opposite transverse directions. The trusses have a free span close to 148 ft. Twelve additional trusses span between the main arched truss pairs in the longitudinal direction. They also cantilever 26 ft at the end locations. The total length of the roof structure amounts to 131 ft.
The arched trusses as well as the intermediate trusses consist almost exclusively of circular tube sections. The roof’s transverse stiffness is provided by the arched trusses while the longitudinal stifness is provided by the intermediate trusses as well as X-braces.
The four abutments constructed at a 45° angle are fixed to the ground with a reinforced concrete foundation including micropiles with varying angles. The micropiles for one abutment measure a total length of 433 ft.
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Programs Used for Structural Analysis
RSTAB
Main Program
Main Program
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
Price of First License
2,550.00 USD
2,550.00 USD
RSTAB
Steel and Aluminum Structures
Add-on Module
Design of steel members according to Eurocode 3
Price of First License
1,480.00 USD
1,480.00 USD
