Système d'auvent tendu pour terrain de basket pour le Centre culturel de Yuzui
Rural sports in Qingyuan are enhanced by this stepped PVDF installation covering 718㎡ of a cultural center. The community basketball court canopy supports multi-functional event use with robust weather-resistant open-space coverage.
Location
Qingyuan, Chine
Couverture (M²)
718㎡
Wind Speed
Vent 120 km/h
Date complète
02/2024
Project Overview
This project is in Yingde District, Qingyuan, Guangdong, China, and was finished in February 2024. The basketball court is 15 m × 28 m, and it is covered by a tensile fabric roof measuring 17 m × 32 m. Around 718 m² of membrane was used. The roof is made of white PVDF architectural fabric (1100 g/m²) and meets B1 fire safety standards.
The project adopts a combined system of high-strength PVDF membrane and steel structure, guided by a design concept of lightweight construction, durability, and suitability for rural settings. The curved membrane form helps reduce wind load while creating a clean and modern visual identity that blends well with the village environment. As a result, the covered basketball court has become a central space for daily recreation, social interaction, and community activities, filling the gap for large outdoor cultural and sports facilities in the village.
Visualisation du dessin
Visualizing before fabrication
Design & Rendu
Défi - Solution
The client required an all-weather basketball court canopy with strong wind resistance, rain protection, and sun shading to ensure year-round usability, including during hot and rainy conditions.
The main design challenge of this project lies in the height difference between the basketball court canopy and the stage membrane structure. Two membrane systems with different spans had to be connected while ensuring proper load transfer. The basketball court requires a large-span structure with overall stability, while the smaller stage canopy needs to adapt to the height change without creating stress concentration that could damage the membrane.
To solve this, a lightweight portal steel frame was used for the stage area and connected to the main basketball court truss through adjustable cables. This allows loads at the height-difference zone to be transferred and distributed effectively. At the same time, the stepped roof design creates a smooth visual transition, keeps the basketball court free of visual obstruction, and provides sufficient shading for the stage area, allowing both spaces to function independently.
Installation - Support
Pendant l'installation, les deux zones de membrane ont dû être mises sous tension ensemble au niveau de la liaison de dénivelé. La membrane du terrain de basket à grande portée nécessitait une mise sous tension globale uniforme, tandis que la membrane de la scène nécessitait un réglage localisé pour s'adapter au changement de niveau. Une mise sous tension inappropriée pourrait facilement entraîner des plis, des déchirures ou des fuites d'eau au niveau des points de liaison.
Pour éviter ces problèmes, une séquence de mise sous tension « d'abord le principal, ensuite le secondaire » a été appliquée. La membrane du terrain de basket a été mise sous tension en premier pour stabiliser la structure principale. La membrane de la scène a ensuite été mise sous tension en fonction de la toiture principale achevée, avec des ajustements fins effectués au niveau des nœuds de dénivelé. Tout au long du processus, les points de liaison clés ont été étroitement surveillés pour contrôler la contrainte de la membrane et les performances d'étanchéité, garantissant ainsi une finition lisse et une fiabilité à long terme.
| Spécification | ||
|---|---|---|
| Fabric Type | PVDF | |
| Type de structure | Structure en treillis | |
| Charge de conception | Vent 120 km/h | |
| Durée de vie de conception | 25-30 ans | |
| Garantie | 10 ans | |
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