Recreational Area Tension Membrane Structure in Châteauneuf-de-Galaure, France

Structures Analysed with Dlubal Software

  • Customer project

Customer Project

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, Frankreich
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 over 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 allow for 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 also 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 consider 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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  • Updated 25 March 2021

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