BambuBuild
Vietnam
@bambu.bambubuild

Located in Long Thanh, a vibrant and rapidly developing town in southern Vietnam, this restaurant complex stands as a beacon of modern architecture, influenced by the area’s significant international airport project. The complex includes several facilities like conference halls, private dining rooms, a kitchen, a toilet, and a striking bamboo hall. This bamboo hall is particularly notable for its boat-shaped thatched roof, gently curved and supported by bamboo structures that mimic nipa palms, a common riverside plant in the region.

Credit: Keeng Seafood Restaurant / BambuBuild | ArchDaily

The bamboo hall’s ground floor plan is straightforward yet spacious, accommodating up to 180 guests. Its strategic location ensures easy access and seamless connection to the adjacent house. The owner’s vision for the restaurant was clear: to create an architectural marvel that would become a landmark for the complex, utilizing environmentally friendly materials and ensuring rapid construction.

Credit: Keeng Seafood Restaurant / BambuBuild | ArchDaily

To meet these demands, bamboo is extensively used in both the structural and decorative aspects of the building. A specific variety of bamboo, known as “solid bamboo” or “iron bamboo,” is prevalent in southern Vietnam. Its strength and stiffness make it ideal for construction purposes. Traditional bamboo construction typically involves using poles as posts, beams, or trusses, but this project goes a step further.

Credit: Keeng Seafood Restaurant / BambuBuild | ArchDaily

After exploring various structural possibilities, a hyperbolic paraboloid (hypar) surface was chosen for its exceptional stiffness and aesthetic appeal. Hypar surfaces are known for their ability to bear substantial loads due to their curved shape, offering resistance in all directions. This makes them ideal for roofing structures.

The bamboo hall features multiple hypar surfaces, used as ceilings and columns. These elements are interconnected, allowing the roof to extend up to 4 meters at the gable ends. The use of straight bamboo poles to construct these curved surfaces is a remarkable feat, simplifying construction while achieving both stiffness and an attractive form.

Credit: Keeng Seafood Restaurant / BambuBuild | ArchDaily

However, the double curvature of the hypars posed a challenge for the thatched roofing, as it has a convex form on one axis and a concave form on the other. To overcome this, trusses and purlins were added to the concave side, facilitating simpler sloped roofs. This created a two-layer structural roof, enhancing the ceiling’s visual appeal. The project showcases the enormous potential of bamboo and hypar structures, positioning them as sustainable construction solutions for the future.

Credit: Keeng Seafood Restaurant / BambuBuild | ArchDaily
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