Gallery: The People’s Meeting Dome Deconstructs the Geodesic Dome’s Sac...

 
The nodes are designed as steel shoes that are open in one dimension and two inches in the other, so they can accommodate the family of standard rafters.

The project was commissioned by BL, Denmark Public Housing, for this year’s People Meeting held on the island of Bornholm, Denmark, a manifestation dedicated to generating debate on the future of housing. The Meeting Dome had a dual role within this context – besides providing an attractive physical space for the debate, the project itself is a comment on it. The introvert geometry of the conventional dome is restructured to respond more constructively to the architectural conditions of the contemporary city. The structure becomes more flexible and responsive to its surroundings, as its extruded segments assume different positions within a specific location.

The logic of the extrusions consists in consistent treatment of different elements: the curved surfaces are closed, while the perpendicular ones are left transparent. This enables greater control over the amount of light that penetrates the interior and ultimately, the organization of the space. For the Peoples Meeting, the dome contained a stage placed in a niche and the stands situated in the central area. According to the architects, this “created additional focus on the stage and a great sense of intimacy”.

The project is a complex lattice structure that can be assembled to fit different parameters. The printed nodes from the 3D model are laser cut and robot welded. The nodes are designed as steel shoes that are open in one dimension and two inches in the other, so they can accommodate the family of standard rafters. The Meeting Dome used 2×4 inches and 2×6 inches construction timber and same size plywood-beams. The building envelope consisted of translucent greenhouse membranes on the spherical surfaces and transparent PVC film as windows on the perpendicular surfaces.

+ Kristoffer Tejlgaard

+ Benny Jepsen

+ People Meeting Dome

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3 Comments

  1. bthinker bthinker September 25, 2012 at 10:12 pm

    @rmonie I designed it better, not constructed as of yet though. Arched aluminum Ibeams, Keystone, Aircraft cable suspension, use of both expansion and compression springs. The whole is translucent lightweight nonoxidizing, and makes use of shape for heat distribution. The keystone locks into the Ibeams and a central truss pillar running into the basement when it mounts. The key is force absorbtion and space without much in the way of divider, low material, high strength, high space. Decompartmentalization.

  2. rmonie September 25, 2012 at 3:29 pm

    The Randomes that housed radar equipment have proven themselves by withstanding winds of up to 200 miles per hour even though constructed of thin walls, and many domes have come through severe earthquakes with minimal damage. Intershelter domes has a thin shell model on Mt. Valdez in Alaska that has held up well under repeated wind and snow storms. If “deconstructing” a dome means reducing the strength and disaster resistance of the structure, then no matter how interesting the changes may be visually, they are a trivial and only childishly clever distraction from the real work necessary to improve domes and make them affordable and popular. Dave South of Monolithic domes has begun to use basalt roving in some of his models as an abundant non-oxidizing way replacement steel rebar. Now that is a genuine constructive advance. Another advance would be to apply magnesium oxide boards or other strong, breathable, fire-resistant materials to dome design to replace the plywood boards that are often used. The clever Danish designers might also try a monolithic dome using breathable, sustainable shotcrete made of magnesium-based material. Such material was used in the construction of some Chinese buildings that are still standing and functional after 1000 years. Domes do not need to be deconstructed. They need to be constructed better.

  3. bthinker bthinker September 24, 2012 at 10:00 pm

    Very beautiful design. The geodesic dome was more aimed around structural integrity though, earthquake, wind, impact resistance and maximizing space/material ratio. This is still way superior to anything rectangular or square. Just a note: A wide vertical turbine in the top middle would catch a lot of crosswinds.

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