Ongoing Construction of Two Indoor Tennis Courts in Montmélian, France

Structures Analysed with Dlubal Software

  • Customer project

Customer Project

The local council of Montmélian, located about ten kilometers from Chambéry in Savoy, has decided to expand its range of sporting facilites by investing in this new indoor tennis court project. This shining perspective of light and sun, originally inspired by the city's designation "Solar Montmélian", symbolized the heart of this project highlighted by the exploitation of maximum natural light, composed of translucent polycarbonate sheets and photovoltaic panels covering 540m² of the facility.

Owner City of Montmélian
Architect Agence Morin Rouchère, L'Haÿ-les-Roses,
Structural Design CBS, Choisy-le-Roi
Timber Frame Lifteam, La Rochette,

Tennis Court Model Parameters

Model

Design

The structure is made of French glued-laminated timber mainly defined by it's essence and color providing a soothing perspective of lightness. It contains two indoor tennis courts and a locker room area sheltered by timber frame walls.

The hall is built on shaft foundations connected by stringers supporting the isolated steel cladding and Trespa panels. The exterior carpentry is made of aluminum enhanced by insulating safety glazing. A resin on asphalt was additionally used to establish the court's floor. The entire structure is coated by a sandwich panel covering system brightened by solar panels and highlighted by a strip of translucent polycarbonate panels also acting as an efficient lighting source providing natural daylight within the hall and through the play areas.

One specific feature defining this project remains the location of the tennis courts. Indeed, they are oriented within the load-bearing direction of the central frame, which stands as the prevailing aspect of the structure. The three-hinged frame is made of curved glued-laminated timber expanding over 37 m.

The frames stabilized by supporting purlins spreading over 18 meters efficiently abide by the constraints enacted within the building permit as well as within the French Tennis Federation regulations, which are detailed below ; requiring specifically a free height of 7 meters beneath the ceiling.

Technical Constraints

The sports management of the French Tennis Federation recommends a playing surface of 18 m x 36 m. This surface integrates the playing area which is a rectangle 24 m long and 11 m wide as well as a setback of about 6 m behind each baseline and a clearance of about 3.50 m. on each side to allow players to hit the ball without hindrance.

The layout of the hall and its frame shape comply with regulatory standards with an envelope of approximately 37 x 37 meters covering the 2 tennis courts with a clear height of 7 meters.

Structural Design Software

The structure's design was carried out on the RFEM software. The entire timber structure as well as the arched frame were checked in the RF-TIMBER Pro add-on module according to Eurocode 5.

The timber parts, bolts and metal plates of the fastening of the legs of the central frame could be checked with the module RF-JOINTS Timber - Steel To Timber.

The structure stands as an X -type building of the 5th category located in seismic zone 4 (medium). This required specific verifications under the seismic loads treated with the RF-DYNAM Pro-Natural Vibrations and RF DYNAM Pro-Equivalent Loads modules.

Thanks to the RF-STEEL EC3 add-on module, the steel beams were designed according to Eurocode 3.

Project Location

Montmélian, France

Keywords

Timber structure RFEM RF-TIMBER Pro RF-JOINTS

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  • Updated 15 July 2021

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