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Showing posts with label building envelope. Show all posts
Showing posts with label building envelope. Show all posts

Wednesday, February 29, 2012

The Politics of Crap

Architectural competitions to design *only* the facade of a building are increasingly commonplace in Germany, according to an op-ed piece in the German magazine Bauwelt. These kinds of competitions provide a compromise solution between a city's qualitative interest in maintaing a certain image on the one hand, and property developers' quantitative commercial interest in nothing but the maximum leasable floor area on the other. Architecture is thereby increasingly limited to superficial image, proving Philip Johnson right when he categorized it as "a branch of cake decoration." 




It also proves Peter Eisenman wrong when he says, as he so often does, that architecture built under rightist governments is better than that built under leftist ones. While indeed a very small élitist fraction may be better, the vast majority is utter crap. Perhaps the real question we should be asking this: in which part of the political spectrum does the most crap get built?





Friday, October 8, 2010

Top-Down Tower, L'Hospitalet de Llobregat, by R+B Arquitectes





Social housing is among the most regulated--and least glamorous--areas of architecture. While all housing is normally subject to a set of minimum room dimensions, social housing is additionally governed by stringent maximum dimensions which happen to be almost equal to the minimum ones, leaving little margin for architectural maneuver. When, moreover, the building envelope is predetermined by a master plan, then little more than the façade and the entrance lobby are left for design consideration. Yet these two elements make a significant difference, as this 77 unit social housing tower by Barcelona’s R+B Architects shows.
Part of an urban master plan by Viaplana & Piñon for L’Hospitalet de Llobregat, the Plaça Europa apartment tower was designed, according to architect Miguel Roldán, “from the top-down”. What he really means here is that from the outset, the program was packed as densely as possible into the given building envelope descending from the top floor down, allowing the ground floor communal entrance lobby to become a larger interior street of sorts. On the exterior, three-story high groupings of deeply recessed windows give the fifteen story tower the appearance of containing only five floors, a nod to the traditional lower buildings nearby.
With its elegant façade and generous lobby-cum-interior street, it’s hard to believe this is social housing. R+B have certainly upped the ante with their top-down tower. The downside, however, is that housing regulators now have a new pretext for reducing the architectural margin even more.
[Originally published in Mark Magazine #27]

Sunday, August 1, 2010

Triumph of the Shell: Llotja de Lleida by Mecanoo











In cinema, there is a common type of architectural scene: a building is shown briefly from outside, with one or more persons approaching its entrance. After they disappear through the doorway, there is a cut to the building’s interior with the same protagonists we just saw now walking towards us. The seeming fluidity of the action suggests that the two scenes – interior and exterior – correspond to one and the same building. In reality, it is possible that they were shot in two very different locations, as interior scenes are often filmed in the more controllable environment of a film studio. Good cinematography, art direction and editing are capable of ‘blending’ two disparate locations into one, and in the same way that a magician always creates a distraction, the audience is usually too wrapped up in the plot to notice a filmmaker’s sleight of hand. In any case, when two very different locations are blended, one of them – the more manipulable interior studio set – is always made to appear as a plausible counterpart to the exterior location. The suspension of disbelief on the part of the viewer can, after all, only be taken so far.



What do we make then of a real building in which the interior space has seemingly little to do with its exterior expression? There are certainly countless examples: John Soane’s house in Lincoln’s Inn Fields, London, comes to mind, as does Salvador Dalí’s house (actually three fishers’ houses he combined into one) on the Catalan coast near Cadaqués. Some hotels also offer up ‘surprises’ inside, such as the Burj Al Arab in Dubai, whose rather traditional interior bears no resemblance to the hypermodern and hyper-publicized exterior. Although more common than we might suspect, these kinds of inside-outside discrepancies are nevertheless usually limited to private or semi-private buildings such as residences, clubs, hotels, office buildings or private museums; buildings in which privacy and intimacy come before transparency. What makes the Llotja de Lleida surprising is that in this case, a highly public building has been designed with an exterior and an interior that hardly seem to belong to the same structure.



Lleida is a small town situated on an agricultural plain in the Catalan interior to which Spain’s AVE high-speed train arrived some years ago, bringing with it demand for high-quality arts, culture and business facilities. The historical centre of this city, skirting a hill capped by a cathedral, is an important landmark at the centre of this vast fruit-growing plain. The new theatre and conference centre is situated on the other side of the train tracks from this hill, on a generous riverfront terrace formerly the site of a farmer’s market. The building’s characteristic inverted hourglass profile provides a large portion of the terrace with protection from winter rains (‘The rain in Spain stays mainly in the plain’) as well as summer sun, while acting as a new modern landmark in complementarity with the historical one. The main entrance to the building is from a plaza framed on the opposite side by a sloped structure with raked seating to effectively form an amphitheater. Upon entering the building beneath its dramatic overhang, a tall atrium appears inside which contains a generous staircase that similarly provides seating for impromptu performances. The stairs lead to a larger upper level that contains a vast foyer for the 1,000-seat theatre, a multifunction space, a smaller auditorium and conference centre, as well as offices. Finally, the top level is a public roof garden from which various trapezoidal forms emerge containing the theatre fly and other mechanical facilities. Structurally, the Llotja’s atrium and theatre form a concrete core to which the cantilevers containing foyer, conference centre, and other spaces are attached by means of large steel truss brackets. But only the drawn building sections reveal this constructional efficiency, as the structural system that supports the pronounced cantilevers on all sides is largely concealed from view.



The interior spaces of the Llotja are not organized in line with the overall biaxial symmetry of the building’s outer form, but rather more like the dovetailed pieces that make up a Japanese puzzle box. These pieces are shaped and orientated in response to the surrounding context. The generous foyer of the main theatre, for example, from its elevated position over the building entrance, is orientated to overlook the old town across the railway tracks. Similarly, other spaces, such as the conference centre lobby, enjoy views over the river. The angular, trapezoidal forms that so strongly characterize the exterior are almost absent indoors; the interior comprising a much more diverse and less monolithic architecture than the exterior. In fact, there is so little resemblance between the Llotja’s exterior and interior, it would seem that the former is the location of an action thriller while the latter is that of a romantic comedy.



According to the scriptures of modernism, the interior and the exterior of a building must be ‘honest’ with one another; only then does architecture have ‘integrity’. Mecanoo is of course part of the ‘Modernism without Dogma’ generation of Dutch architects (named after the 1991 Dutch entry in the 5th Venice Architecture Biennale, curated by Hans Ibelings); a generation that taps modernist heritage for inspiration but not for moral guidance. Indeed, the Llotja’s outer form is evidently inspired by the Aula Magna of Delft University of Technology, by Van den Broek and Bakema. But then its interior is clearly not, which is precisely what absolves the Llotja from some recent and rather absurd accusations of plagiarism. The Llotja’s interior is perhaps as accommodating as it is precisely because it was not subjugated to the relentless rigor of an über-prevailing singular architectural concept. Similarly, the exterior has a strong and coherent character precisely because it is not expressing the programmatic complexity of the interior; a situation akin to what Rem Koolhaas terms the ‘lobotomy’ of the Manhattan skyscraper in his seminal book Delirious New York. It is in fact remarkable how well the interior and exterior of the Llotja each do their job while seemingly oblivious to the other. But the question still begs to be asked: Why, then, this particular exterior, and this particular interior form?



It is probably safe to say that, with the rise of the Bilbao Effect, interior space has taken on a secondary role to the much more media-friendly exterior image of buildings. (Is there even such a thing as an iconic interior?) In the general media architecture tends to be represented through frontal or three-quarter ‘full Monty’ photographs of building exteriors. The more stand-alone the building, the better.



This overall primacy of the exterior image in architectural representation is unfortunate, not only because it turns architecture into a branch of set design, which it is not, but because it precludes considerations of why and for whom architecture exists in the first place. When the interior of a building doesn’t matter, neither do the people who live or work in it; and when the exterior image becomes everything, then architecture might as well exist solely for the aggrandizement of patrons, architects and politicians. And that starts to sound just a little too much like certain 1930s’ propaganda films.


[originally published in Mark Magazine #26]

Tuesday, June 1, 2010

Media-TIC by Cloud 9: Architecture as Research




Column-free lobby








Truss space











Two facades with different pillow systems: ETFE fog configuration


and ETFE diaphragm configuration.







The range of building materials and construction techniques available to contemporary architects is unparalleled in history. New materials – in conjunction with digital processes such as computer-aided design, computer-aided manufacturing, parametric design and rapid prototyping – have dramatically expanded the possibilities of design. Were it not for the threat of climate change and the ongoing economic crisis, our future would be a matter of ‘the sky’s the limit’. Suddenly, all the freedom we have hardly learned to handle has a new mission: finding more sustainable ways to produce, consume and discard. The promise of technology remains unchanged, of course – it is still going to save the day and thus save us from ourselves. The mantra hasn’t changed either: architecture that is fresh and intelligent and innovative will eventually prevail over a building industry that is old-fashioned, uninspired, formulaic and wasteful.






In reality, though, innovative architecture and a boring building industry are two sides of the same coin: one being the R&D department of the other. The invention of the curtain wall is a case in point: originally modern and vanguard, curtain walls eventually became a mass-produced, commercially available, off-the-shelf product in a straightforward transfer of technology in the direction of banality. Viewed from this perspective, innovative architecture is to the building industry what Formula One is to mass-produced automobiles, or what haute cuisine is to processed food: an industry-sponsored elite and a glamorous field in which to invent, research and test new technology for the purpose of applying the findings en masse.





Barcelona’s new Media-TIC building, which has led to two inventions being patented by architect Enric Ruiz-Geli of Cloud 9, can be seen as a prototype for field-testing innovations before eventual commercialization. Despite its unorthodox construction and appearance, it is a building involving research partnerships with private manufacturers. It pushes the envelope, in this case both literally and metaphorically, in the service of advancing construction technology – something which supposedly ‘iconic’ or unorthodox buildings have always done to a varying degree, either wittingly or unwittingly.





Although it is in essence an office building, Media-TIC follows few if any of the tenets of commercial office development. Instead of a central service core, it has a central void; instead of a regular steel or concrete structure, it has a gigantic exoskeleton from which the floors are suspended; instead of the marble or granite traditionally used to tart up public areas, it sports DayGlo green paint throughout. The only conventional rule of property development it seems to follow is ‘location, location, location’: Media-TIC is situated in the middle of 22@Barcelona, an ambitious urban-renewal plan to transform a 19th-century industrial zone into a 21st-century knowledge-and-innovation district.





This area, popularly known as Poblenou or ‘new town’, lies to the northeast of Barcelona’s historical core, within the famous gridded urban-expansion plan devised by civil engineer Ildefons Cerdà in 1859. In fact, Media-TIC is situated only a few blocks from the intersection of three of this plan’s most monumental urban axes, Diagonal, Meridiana and Gran Via – a gesture that was intended to stimulate the creation of a new, more modern city centre away from the overly dense and tuberculosis-infested medieval one. As was generally the case with Cerdà’s plan, Poblenou’s built reality turned out to be quite different from what he had envisioned, and instead of a new city centre this area became home to one of Europe’s largest concentrations of textile mills, smokestacks, warehouses and workers’ living quarters. In the latter half of the 20th century, as manufacturing throughout Europe and North America went into decline, the area became increasingly abandoned, until a plan was initiated in 2000 to convert approximately 200 hectares, or 115 city blocks, into the knowledge-and-innovation district 22@, a name that makes reference to the previous zoning code, 22a, which stood for heavy industry. The new mixed-use 22@ designation permits ‘the coexistence of all nonpolluting urban activities’ and promotes greater density and ‘ecological efficiency’. It is only now, one and a half centuries later, that Cerdà’s modern city centre is finally coming to fruition.





Five knowledge clusters make up the 22@ innovation district: information and communication technologies (ICT), media, medical technology, energy and design. As the name implies, the Media-TIC building is intended for the crossover of two of these sectors – ICT and media – and forms part of a larger ‘audiovisual campus’ that spans several city blocks. The bright-green cubic building occupies a chamfered corner site across the street from a factory, Can Framis, which architect Jordi Badia recently converted into an art museum. Other neighbors in the area include national and regional broadcasting companies, institutional bodies, content producers, advertising firms, ICT start-ups and university research facilities.





The architecture of the Media-TIC building, inside and out, seeks to create an environment conducive to both formal and informal encounters among the various knowledge sectors it is intended to host. The structure of the entire building, for example, is designed to keep the ground floor completely free of columns or vertical shafts, converting what is normally a labyrinthine lift lobby in most office buildings into a large open space for conferences, presentations and celebrations. This column-free space was achieved by suspending all floor plates from large trusses that crown the top of the building. The construction process was a spectacle in itself: with only the foundation and two rows of 32-m-high braced column pairs in place, the entire array of trusses – including the two floors contained within them – was raised slowly into place using hydraulic jacks. With the construction site momentarily resembling a triumphal arch, the rest of the floors were hung from the rooftop trusses by means of slender steel tubes.





This structural system results in a fascinating variety of spaces on different levels: the top two floors, situated entirely within the depth of the phosphorescent green trusses, are traversed by thick vertical and diagonal steel members, while the floors below have slender vertical columns adorned with large steel flanges that connect them to the undersides of the trusses. The rest of the floors below have slender columns without adornment until the ground floor is reached, which is column-free. The assembly of such an unorthodox structure for purposes of spatial permeability and open-spiritedness recalls the construction of the Pompidou Centre in Paris by Piano and Rogers, an important forerunner of this building and a milestone for architecture-as-research in general.





The Media-TIC’s outer skin is another unusual feature, employing ethylene tetrafluoroethylene (ETFE) ‘pillows’ that can be inflated or deflated to moderate heat gain as well as daylight in the building. The pillow pattern varies on each façade in accordance with solar orientation. On the southeast façade, an ‘ETFE diaphragm configuration’ uses a printed pattern on both sides of the pillows to let daylight pass through when inflated and to block it when deflated. Similarly, the southwest-facing pillows use an ‘ETFE fog configuration’ into which nitrogen gas can be injected to minimize solar heat gain. The inflation or deflation of the pillows is controlled in real time by sensors and pumps that manage the movement of gases, directing them where they are needed at the time they are needed.





With its breathing, pulsating body parts, Media-TIC recalls the mechanical systems depicted in Terry Gilliam’s classic science-fiction film Brazil. Indeed, what is perhaps most remarkable about the Media-TIC building is that it is performative in both the ‘art’ and the ‘machine’ sense of the word. Either way, what this building does is far more interesting than what it looks like, especially when seen as a work of research-in-progress. Will its ETFE pillow system work successfully and eventually make its way onto curtain-wall façades of office buildings the world over? Only time will tell.





[originally published in Mark Magazine #25]



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