Recreational Area Tension Membrane Structure in Châteauneuf-de-Galaure, France
Customer Project
![[FR] CP 001170 | Playground with Tension Membrane Structure in Châteauneuf-de-Galaure, France](/-/media/Images/netgenium/thumbnails/2/9/8/6/2/2986202/2986202.png?la=en&mw=578&mlid=F944837F8FF444BEB6C1B1E3329C5673&hash=659EA4D9014EC7E1647EE41E88CF24B97050808F)
The engineering company ACS provided the full project structural analysis and design, including the fabric membrane and frame structure.
| Investor | O.G.E.C Châteauneuf - Saint-Bonnet, Châteauneuf-de-Galaure, France |
| Construction Management |
H2C Architecture, Lyon, France www.h2c-architecture.fr |
| Structural Analysis | AC Structures, Rennes, France |
| Frame Structure |
ICM, Marseille, France www.icm13.fr |
| Membrane |
ACS Production, Montoir de Bretagne, France www.acs-production.com |
Model
Description
The covered recreational area consists of 6 frames with steel tube columns and welded galvanized steel I-beams covered with a double-curvature PVC membrane. The roof spans the Foyer de Charité de Châteauneuf-de-Galaure, Drôme department school grounds.
A channel system integrated into the welded I-beams and downpipes integrated into the columns allows unobtrusive rainwater drainage and improved aesthetic appeal.
Modeling
For the structural design, the following Dlubal Software programs were utilized: RF-STEEL EC3 add-on module for the calculation of the steel supporting structure, the RF-FORM-FINDING add-on module to determine the fabric membrane shape and determine the membrane ultimate limit state, and the RF-CUTTING-PATTERN add-on module to create the fabric cutting pattern geometry.
To begin, a general structural analysis model, including the steel frame and membrane, was created. The supporting steel structure was further designed taking into consideration the fabric membrane forces. Additionally, the fabric analysis and design were carried out for the overall structure design.
In the second phase, the roof panels were separated and the fabric stress curves and changing curvatures were checked. A second, more accurate and detailed model was developed.
The modeling phases alternated with the design phases to take into consideration the interaction of the fabric and frame.
Project Location
85 Rue Geoffroy de Moirans,26330 Châteauneuf-de-Galaure,
France
Keywords
Dlubal Software AC Structures RFEM RF-STEEL EC3 RF-FORM-FINDING RF-CUTTING-PATTERN Frame structure Membrane Find shape
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Parametrization of Rolled Cross-Sections
Rolled sections, the most common cross‑section type in RFEM and RSTAB, can also have user‑defined parameters.
- How do I apply wind load on members of open structures?
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- Although I have modeled two identical structural systems, I obtain a different shape. Why?
- I do not want to design a cross-section in the RF‑/STEEL EC3 add-on module. Can I quickly remove this cross-section from the selection?
- I have a roof structure resting on a steel column that runs to the foundations. The column runs through a perimeter wall that supports the false ceiling. A considerable part of the load from the roof is transferred to the wall. I want the steel column to carry all the vertical loads from the roof. How can I do it?
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- How is the automatic creation of c/t-parts carried out?
Programs Used for Structural Analysis
Main Program
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
3,540.00 USD
Add-on Module
Form-finding of tensile membrane and cable structures
1,750.00 USD
Add-on Module
Generation of cutting patterns for tensile membrane structures
2,240.00 USD
Add-on Module
Design of steel members according to Eurocode 3
1,480.00 USD
