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PROJECT / SHANGHAI EXPO 2010, CHINA
SWISS PAVILION
ARCHITECT: BUCHNER BRÜNDLER AG LIGHTING DESIGN: REFLEXION GMBH
The Swiss planning consortium of ARGE, Buchner Bründler AG (architects) and ele- ment GmbH (designers) took the Expo 2010 sub-theme ‘rural-urban interaction’ as inspiration for their national pavilion. Evok- ing the Chinese concept of yin and yang, the pavilion is characterised by two zones: a rural, vegetation covered roof area and, supporting it from below, an urban space dominated by two load-bearing concrete cylinders. An alpine chairlift links the two areas, carrying visitors up through one of the cylinders for a gentle tour of the roof space before returning them to the urban zone below.
One of the most striking elements of the pavilion is the aluminium mesh curtain hanging around its edge, separating the pavilions urban space from the Expo ground beyond. Onto this are attached 10,000 plate-sized polycarbonate discs each con- taining a solar energy generator, storage medium, light sensor and LED light. These units harvest energy from the sun and emit it in short blasts of light in response to changes in light levels within the pavilion space. Each unit was manufactured in China using protective vents from US manufac- turer Gore. Microporous ePTFE membranes inside the vents allow for the free passage of gases and vapours, avoiding the build up of pressure inside the lights in response to temperature changes. The effect produced by these nodes is a reminder to visitors of the energy used by an urban space. Al- though each operates autonomously, curious groupings of light flashes can occur, giving the impression of a cohesive pattern is be- ing played out.
The main elements of the pavilion’s exhibition are experienced by following the double helix ramps running around the support cylinders. Following a lighting design by Zurich-based Reflexion AG, 500 T5 fluorescents under the hand-rail illuminate both inner and outer edges of the ramp. As they travel along it ,visitors can pause to peak through 3D viewers, each showing a different Swiss vista as well as learn about some of Switzerland’s sustainable project success stories. The ramp leads to the main display room, where a large-scale projec- tion of a film entitled ‘The Alps’ and life- sized video interviews with Swiss citizens
can be viewed.
The rest of the cavernous ‘urban’ under- world is illuminated by 16 lighting ‘donuts’, each comprising three T5s that floodlight the ceiling with a soft blue glow. These donuts also include up to three HST 22º spotlights angled at 15º to form pools of light in the space below.
www.reflexion.ch www.bbarc.ch
Pic: Iwan Baan
Pic: Iwan Baan
Pic: Iwan Baan
Pic: Iwan Baan
Top Ceiling ‘donuts’ comprise T5s to illuminate the ceiling space and spots angled at 15º to create pools of light below. An aluminium mesh curtain separates the pavilion from the Expo ground beyond
Middle In one of the supporting pillars, visitors can enjoy an exhibition space showing large scale projections of the Alps and life-sized figures offering their about the Swiss nation
Above Ramps loop around the urban-inspired main section of the Swiss Pavilion. Along the way, visitors are invited to view 3D images of Swiss landscapes
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