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  7. Milan Expo 2015: EMBT Designs Dome for COPAGRI

Milan Expo 2015: EMBT Designs Dome for COPAGRI

Milan Expo 2015: EMBT Designs Dome for COPAGRI
Milan Expo 2015: EMBT Designs Dome for COPAGRI, © Miralles Tagliabue EMBT
© Miralles Tagliabue EMBT

“The splendor of the Italian cities are beautifully represented by their domes,” says Miralles Tagliabue EMBT. Embracing this notion, EMBT has designed a wooden dome for COPAGRI, a confederation of agricultural producers that brings together hundreds of Italian farmers, to showcase their products at the 2015 Milan Expo.

“The design started from the observation of Italian landscapes, both natural and man-shaped,” said EMBT in a press release. “In our project the domes are not only representing the magnificence of the Italian past, but they also show us potential for the future lying in the construction of domes.”

© Miralles Tagliabue EMBT
© Miralles Tagliabue EMBT

From the architects: The Dome 

The project stems from the combination of two single domes of equal diameter, but different heights. The two domes together create a flexible and well-structured space that could be further subdivided in order to fit different needs of the internal spaces. The double dome consists of an “origami” of structural glulam elements, joined by steel plates.

The dome is conceived as a variation of the vast surrounding public space: for this reason, the structures present clear permeability and full congruence with the setting. The open nature of the structure is materialized in a reduced use of mechanical systems, in favor of natural lighting and natural ventilation.

The structure is composed of a big three-dimensional grid that gradually transforms in woven branches, as it grows to the open top of the dome. The structural elements become architectural ones, designing both the internal and the external facades as tree branches; the empty spots of the grid enhance air and light permeability, together with visual continuity between outside and inside.

© Miralles Tagliabue EMBT
© Miralles Tagliabue EMBT

The double dome is a prefabricated structure, made of spruce glulam with zinc-coated steel joints. Numerical control machines cut the structural elements, and they can be easily assembled and dismantled in agreement with COPAGRI’s need of reuse after the Expo, as expressed by the project competition requirements.

The upper part of the domes, called “the hat”, hosts the required building services both for the building itself and for the Lake Arena, consisting of lights, loudspeakers, antennas, and more.

An internal PVC sheet, suspended from the vertexes of the structure, covering the openings and avoiding water penetration, provides water resistance. The PVC seam follows the structural grid.

White translucent pressurized PVC cushions cover the internal space in correspondence of the central oculus: those cushions are not linked to the internal PVC sheet, guaranteeing natural ventilation through stack effect. Natural ventilation is indeed essential: in addition to the upper openings, all the perimeter of the dome is covered with a net fabric, whose zigzag pattern follows the structural grid and ensures ventilation. 

© Miralles Tagliabue EMBT
© Miralles Tagliabue EMBT

The dome appears as a lighting element of the public square: the structure not only includes a self-lighting system, but also provides lighting for the surroundings: it sparkles like a glowing lantern and the light reflects on the Lake Arena water surface, amplifying the splendor of the area.

The spectacular translucent lamps, also shaped as a dome, are suspended from the PVC sheet tie-beams and dangle from the structure to light up all the elements of the internal set-up.

According to the exhibitors’ needs, the dome has two entrances, in order to optimize the visitors’ flows coming from Palazzo Italia, from the Cardo and from the shows around the Albero della Vita. 

The internal layout is organized in areas. The small dome will host 15 huge triangular counters, recreating the typical Italian market atmosphere. Each counter will host, rotating every week, unique and natural products, narrated by their farmers. Under the bigger dome, a cylinder will house a small cooking demonstration room, a multi-sensorial exhibit and two spaces dedicated to biological pizza and ice-cream tasting. 

The entrance doors are made of an aluminum frame and wooden panels: those doors will be opened in the morning and kept open during all day. These modular panels, identical to the structural ones, can be opened and therefore reveal their real nature. In the closing hours of the dome, they will recreate the completeness of the wooden grid. The foundation of the dome is a strip-footing ring made of reinforced concrete. The internal floor is made of high-use-resistant and easy-cleaning, colored synthetic resin.  

© Miralles Tagliabue EMBT
© Miralles Tagliabue EMBT

At the end of the Expo, when all the buildings will be removed, these domes can be easily dismantled, transported and reassembled in symbolic Italian places to host a variety of functions. Therefore, they will make this part of the Expo even more sustainable, witnessing for a long time to come the universal message of Expo Milano 2015 "Feeding the Planet, Energy for Life".

  • Architects

  • Location

    Milan, Italy
  • Architect in Charge

    Benedetta Tagliabue
  • Project Director

    Makoto Fukuda
  • Project Coordinator

    Valentina Nicol Noris
  • Design Team

    Dirce Medina, Claudia Baralla, Claudia Manenti, Silvia Pirrera, Gabriele Rotelli, Andres Echevarria, Thomas Hostache, Carlo Cervellieri, Luca Amighetti, Ana De la Cuesta, Ana Zueras, Daniel Combariza
  • Technical and Scientific Support

    Matteo Ruta, Emilio Pizzi – Politecnico di Milano, ABC Department, Milano. Collaborators: Alessio Costantino Mirabella, Elena Seghezzi, Ivana Congiu
  • Structural Design

    Francesco Iorio – SIO Studio Iorio, Bergamo
  • Fire Engineering

    Giuseppe Amaro – GAE Engineering, Torino
  • Digital Design and Fabrication Consultancy

    Pierpaolo Ruttico – INDEXLAB, Milano with Carlo Beltracchi
  • Main Contractor / Wood Structure

    Foresti Distribuzione Laterizi, Pralboino (BS)
  • PVC Textile

    Canobbio Textile Engineering, Castelnuovo Scrivia (Al)
  • Lighting

    Via Bizzuno
  • Area

    560.0 sqm
  • Project Year

    2015
  • Photographs

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About this office
Cite: Karissa Rosenfield. "Milan Expo 2015: EMBT Designs Dome for COPAGRI" 25 Mar 2015. ArchDaily. Accessed . <https://www.archdaily.com/613218/milan-expo-2015-embt-designs-dome-for-copagri/> ISSN 0719-8884

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