Recreational Area Tension Membrane Structure in Châteauneuf-de-Galaure, France
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|
H2C Architecture, Lyon, France
|Structural Analysis||AC Structures, Rennes, France|
ICM, Marseille, France
ACS Production, Montoir de Bretagne, France
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.
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 Location85 Rue Geoffroy de Moirans,
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RFEM/RSTAB add-on module RF-/JOINTS Steel-Column Base | Hinged and restrained column bases according to EC 3
RF-/PLATE-BUCKLING Add-on Module for RFEM/RSTAB | Plate Buckling Analysis for Plates with or Without Stiffeners According to 1993-1-5
RFEM/RSTAB Add-on Module RF-IMP/RSIMP | Generation of Geometric Replacement Imperfections and Pre-deformed Replacement Structures
Extension of the RF-/STEEL Warping Erosion module | Lateral -torsional buckling analyzes of members according to the second -order theory with 7 degrees of freedom
RFEM/RSTAB add-on module RF-/JOINTS Steel-Tower | Hinged connections of lattice tower members according to EC 3
RFEM/RSTAB add-on module RF-/TOWER effective lengths | Determination of effective lengths of lattice towers
RFEM/RSTAB add-on module RF-/STEEL BS | Design of steel members according to BS 5950 or BS EN 1993-1-1
RFEM add-on module RF-LOAD-HISTORY | Consideration of plastic deformations from previous load conditions
- How do I apply wind load on members of open structures?
- Is it also possible to use RF‑/TOWER Loading without the other TOWER add-on modules?
- 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 can I display membrane stresses in the results of RF‑STEEL Surfaces?
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- How is the automatic creation of c/t-parts carried out?
Programs Used for Structural Analysis
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
Form-finding of tensile membrane and cable structures
Generation of cutting patterns for tensile membrane structures
Design of steel members according to Eurocode 3