Dossier de presse no. 7020-02

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Dossier de presse - Communiqué de presse - Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design

Dossier de presse | no. 7020-02

Communiqué seulement en anglais

Digital Design of a Thin-Shell Metal Woven Pavilion

Shanghai, Chine

XISUI Design

How to design and build a wide span and lightweight modern pavilion above the water surface

Shanghai, Chine, 16-07-2024 - 

The Thin-shell Metal Woven Pavilion is situated over a pool, serving as a resting place that offers shelter from wind and sun, while still inviting natural light to penetrate its interior.

This pavilion introduces a novel approach to digital metal construction. Its segmented metal shell is inspired by the bionic weaving appearance of birds' nests, and the structural principles of arched force transmission found in eggshells, which the team has studied in depth. The design features an integrated ultra-thin shell and a centripetal dome, aimed at fostering a pure and serene experience that promotes inner contemplation and peace.


Spanning 11 meters over water, the pavilion is constructed utilizing minimal materials and manual labor to generate a unique architectural space. The project explores new possibilities in design, engineering, and fabrication through continuous computational testing with interdisciplinary teams.


1. Integrated structural skin – the shell works as structure

Typically, a pavilion with an 11x8 meter span requires a substantial supporting framework. This project challenges that convention with a keel-free design, realized through a doubly curved structure that uses only a thin shell surface for load-bearing.


Wind and gravity load calculations showed that just 2 layers of 2.5 mm thick metal plate segments were sufficient to achieve a span 4,400 times their thickness. As an effective structural form, the shell efficiently distributes loads, utilizing principles similar to ancient vaulted buildings and natural bird eggshells. This design ensures both stability and efficiency, minimizing material usage while maintaining the pavilion's aesthetic integrity and elegance.


2. Easy-to-build digital construction
A dedicated application was programmed for curvature analysis, deformation calculation, and surface subdivision. The entire hyperboloid structure is divided into 469 bespoke metal segments of varying sizes. Through the digital design and fabrication process, these segments are specifically designed to precisely fit together, ensuring easier and more efficient processing.


The pavilion features welding-free construction, with all shell segments pre-fabricated using CNC machinery, numbered and then delivered to the site for precise assembly. This method does not require extensive positioning keel and shape finding formwork. A small team of craftsmen is sufficient to assemble the entire structure efficiently.


By employing this integrative digital approach, labor costs are reduced, and the caliber of craftsmanship is elevated, ensuring the doubly curved geometry boasts a visually fluid and gentle appearance.


3. Assembly and flexibility
During construction, traditional manual welding techniques were replaced with the use of bolts for point-to-point alignment and high-precision milling. This technique was adopted to complete the entire construction process, encompassing everything from the assembly of the foundation to the main body of the structure.


The advantage of this approach is that each removable bolt is digitally designed and verified to ensure the accuracy of the final form. This prevents the form-finding errors that commonly arise in traditional manual manufacturing, such as cumulative errors from manual positioning and welding heat-induced deformation of thin plates.


Furthermore, this method imparts flexibility to the pavilion, allowing for easy replacement of components, or even relocation of the entire structure. All building modules are designed for disassembly and reuse at different sites, thereby enhancing the project's sustainability and giving the pavilion a sense of continuity and permanence.


First assembled in 2020, the pavilion was subsequently reassembled and relocated in 2023 to transition from a temporary exhibition purpose to permanent use. As a final benefit, considerable cost savings on new builds were achieved, alongside a reduction in material waste.


4. Immersive experience
Visitors are guided along a sunken passage below the pool to the Thin-shell Metal Woven Pavilion, which helps them to relax and enjoy themselves beneath the water surface. This secluded path provides partially open and private spaces, enriching the sensory experience and stimulating visitors' imagination of nature, heightening anticipation before they enter the pavilion.


Many tiny openings are carefully "embedded" between the woven gaps, allowing light to penetrate the interior and form a luminous array. These spots of natural light invite visitors to step closer, forming dynamic light patterns that reflect the rotating structural streamlines on the dome. These patterns change throughout the day with the movement of sunlight and cloud cover, adding a dynamic element to the space.


The exterior, painted in white, reflects on the water's surface, creating a serene and pure aesthetic. The interior, with its matt brown-gold walls, reduces light reflection and immerses visitors in an experience as if exploring a deep cave, leading them to a state of calm. Inside, the centripetal dome and surrounding pool evoke a sensation of being enveloped by mountains and the sea. The dome's acoustics amplify normal speaking volumes, providing an environment conducive to introspection and reflection.


The Thin-shell Metal Woven Pavilion is designed to provide urban dwellers with a tranquil space for contemplation, away from the hustle and bustle of city life. It fosters an atmosphere that promotes meditation and inner peace.

Technical sheet

Official Project Name: Thin-Shell Metal Woven Pavilion

Location: Hefei City, Anhui Province, China

Client: Yango Group Co., Ltd. Hefei

Size: 11 by 8 meters

Design & Build: XISUI Design

Chief Designer: Yihao Hu

Project Manager: Yang Peng

Structural Consultant: Spiring Achitectural Design

Suppliers: Shanghai ZhouJie Metal Decoration Engineering Co., Ltd., Shanghai Zhan Jing Construction Engineering Co., Ltd.

Project Sector: Landscape Installation

Budget: CNY 1,000,000

First Completion Date: October 1, 2020

Relocation Completion Date: April 20, 2023

Photographer: Yihao Hu, Jia Liu, Fancy Images

About XISUI Design

XISUI Design, established in Shanghai in 2018, is a multidisciplinary team comprising landscape architects, architects, installation artists, structural engineers, and digital engineers. XISUI Design offers design solutions, strategic planning, and construction guidance. XISUI Design's built works encompass landscape design, children's playgrounds, landscape installations and structures, and commercial space design.


Adhering to 'Advance, Happiness, and Originality,' the team is committed to utilizing advanced digital design and construction technologies, as well as new processes and materials, exploring and applying these innovations in landscape, space, and installation design. XISUI Design is dedicated to creating designs with a wide range of expressions that reflect the forefront of the era, while continually exploring the intrinsic essence. This allows users of all ages, families, and cultural backgrounds to experience the sincere emotions, local culture, and genuine care for life conveyed through the designs.

- 30 -

Pièces jointes

Digital Design of a Thin-Shell Metal Woven Pavilion - CH&EN
Images basse résolution ~ 3,4 Mo
Images tif haute résolution ~ 400 Mo
Images jpg haute résolution ~ 60 Mo

Termes et conditions

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XISUI Design | Digital Design of a Thin shell Metal Woven Pavilion

Crédit vidéo : Produced by XISUI Design
Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage -  A pavilion rests on the water's surface.  - Crédit photo : Photo by Yihao Hu, XISUI Design
A pavilion rests on the water's surface.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 20.0 x 13.33 @ 300dpi ~ 7,9 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - An eggshell-like form shelters from wind and sun, while still inviting natural light to enter its interior. - Crédit photo : Photo by Yihao Hu, XISUI Design
An eggshell-like form shelters from wind and sun, while still inviting natural light to enter its interior.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 20.0 x 13.34 @ 300dpi ~ 5,3 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Matt brown-gold walls create a cave-like interior, immersing visitors in a calm state. - Crédit photo : Photo by Yihao Hu, XISUI Design
Matt brown-gold walls create a cave-like interior, immersing visitors in a calm state.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 20.0 x 13.34 @ 300dpi ~ 5,8 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - White exterior reflects on water, offering serenity and purity. - Crédit photo : Photo by Yihao Hu, XISUI Design
White exterior reflects on water, offering serenity and purity.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 20.0 x 13.34 @ 300dpi ~ 8,4 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - The centripetal dome and pool evoke a sense of being enveloped by mountains and the sea, featuring amplifying acoustics that foster introspection and reflection. - Crédit photo : Photo by Yihao Hu, XISUI Design
The centripetal dome and pool evoke a sense of being enveloped by mountains and the sea, featuring amplifying acoustics that foster introspection and reflection.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 20.0 x 13.34 @ 300dpi ~ 6,7 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - From a distance, the pavilion harmonizes with its surroundings during the day. - Crédit photo : Photo by Yihao Hu, XISUI Design
From a distance, the pavilion harmonizes with its surroundings during the day.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 20.0 x 15.0 @ 300dpi ~ 8 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Visitors descend along a sunken path beneath the water's surface, leading to the Thin-shell Metal Woven Pavilion, where a serene and immersive experience awaits. - Crédit photo : Photo by Fancy Images
Visitors descend along a sunken path beneath the water's surface, leading to the Thin-shell Metal Woven Pavilion, where a serene and immersive experience awaits.
Crédit photo : Photo by Fancy Images
Télécharger

Image très haute résolution : 20.0 x 11.23 @ 300dpi ~ 11 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - The Thin-shell Metal Woven Pavilion gracefully spans 11 meters over the reflective pool surface. - Crédit photo : Photo by Fancy Images
The Thin-shell Metal Woven Pavilion gracefully spans 11 meters over the reflective pool surface.
Crédit photo : Photo by Fancy Images
Télécharger

Image très haute résolution : 20.0 x 11.23 @ 300dpi ~ 11 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - A space encourages meditation and inner peace. - Crédit photo : Photo by Yihao Hu, XISUI Design
A space encourages meditation and inner peace.
Crédit photo : Photo by Yihao Hu, XISUI Design
Télécharger

Image très haute résolution : 13.34 x 20.0 @ 300dpi ~ 8,1 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Sunlight and shifting clouds create a dynamic play of light and shadow through the skylight, adding a temporal dimension to the space. - Crédit photo : Photo by Jia Liu
Sunlight and shifting clouds create a dynamic play of light and shadow through the skylight, adding a temporal dimension to the space.
Crédit photo : Photo by Jia Liu
Télécharger

Image très haute résolution : 20.0 x 13.38 @ 300dpi ~ 7 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Tiny openings embedded in the woven gaps allow light to penetrate, creating a luminous array that forms dynamic patterns reflecting the dome's rotating structural lines. Gazing upwards, it resembles the flowing river of stars. - Crédit photo : Photo by Fancy Images
Tiny openings embedded in the woven gaps allow light to penetrate, creating a luminous array that forms dynamic patterns reflecting the dome's rotating structural lines. Gazing upwards, it resembles the flowing river of stars.
Crédit photo : Photo by Fancy Images
Télécharger

Image très haute résolution : 20.0 x 13.34 @ 300dpi ~ 23 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - At night, the Thin-shell Metal Woven Pavilion and its reflection shimmer on the water.  - Crédit photo : Photo by Fancy Images
At night, the Thin-shell Metal Woven Pavilion and its reflection shimmer on the water.
Crédit photo : Photo by Fancy Images
Télécharger

Image très haute résolution : 20.0 x 9.97 @ 300dpi ~ 12 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Site Plan - Crédit photo : Site Plan by XISUI Design
Site Plan
Crédit photo : Site Plan by XISUI Design
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Image très haute résolution : 13.37 x 20.0 @ 300dpi ~ 5,7 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Axonometric Drawing - Crédit photo : Axonometric Drawing by XISUI Design
Axonometric Drawing
Crédit photo : Axonometric Drawing by XISUI Design
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Image très haute résolution : 20.0 x 13.83 @ 300dpi ~ 3,5 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Elevation - Crédit photo : Elevation by XISUI Design
Elevation
Crédit photo : Elevation by XISUI Design
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Image très haute résolution : 20.0 x 7.11 @ 300dpi ~ 1,9 Mo

Dossier de presse | 7020-02 - Communiqué de presse | Digital Design of a Thin-Shell Metal Woven Pavilion - XISUI Design - Architecture de paysage - Explosion Diagram - Crédit photo : Explosion Diagram by XISUI Design
Explosion Diagram
Crédit photo : Explosion Diagram by XISUI Design
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Image très haute résolution : 16.03 x 20.0 @ 300dpi ~ 4,2 Mo

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