Articles

Composite steel-glass fins for the lobby façade of Iberdrola Tower

The Iberdrola Tower in Bilbao, designed by PelliClarke Pelli architects, features a lobby entirely enclosed by twosculptural glass walls with a length of 66 meters each forming asoftly rounded triangle in plan. The variable surface curvature of the façade is achieved by means ofcold-bent insulating glass units supported by vertical composite glass fins. The fins, with heights ranging from 8 meters to 17 meters, are designedas hybrid elements which combine the use of glass and steel. The structural solution adopted comprises two solidsteel flanges joined to a laminated glass webby a high-strength friction gripconnection. Laminated glass with ionoplastic interlayer guarantees a suitable post-breakage behaviour. However,the use of friction grip connections together with laminated safetyglass is technically demanding due tothe creep behaviour of the interlayer. Therefore, in the areas of loadtransfer through the thickness it is replaced by an stiffer material. Thisstructural system poses several challenges with regard to design and fabrication anddemand appropriate testing, although it offers a significant load-bearingcapacity after failure of the glass web. The design, simulation, testing andfabrication of the structural elements of the façade are discussed in thepaper.[Original language: English]

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Núria GuitartMai 2011

Leicht und transparent – eine Glasbrücke in Lissabon

Das „Centre of the Unknown“, eine erst kürzlich fertiggestellte biomedizinische Forschungseinrichtung der Champalimaud-Stiftung in Lissabon, Portugal, wurde von den Architekten Charles Correa Associates aus Mumbai, Indien, entworfen. Es besteht aus zwei Gebäudekomplexen, in denen die Forschungslabors, ein Auditorium und Ausstellungsbereich sowie die Büros der Stiftung Platz finden. Das „Centre of the Unknown“ befindet sich im Stadtteil Belém, hier mündet der Fluss Tejo in den Atlantischen Ozean. Diese Lage ist von besonderer historischer Bedeutung, denn von hier aus setzten die portugiesischen Pioniere im 15. und 16. Jahrhundert die Segel, um das „Unbekannte“ zu entdecken.[Original language: Germany]

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Andreas Keil-Klaus Straub,schlaich bergermann und partnerMai 2011

Can glass compete with Acrylics in Large Aquarium Enclosures ?

In the world of aquarium enclosures, acrylic plastics impose their supremacy. The optical qualities of acrylics are unbeatable even for the highest thicknesses. However, aspects such as their low abrasion resistance or their low availability due to the scarcity of certified manufacturers, gives laminated glass the opportunity to overcome it in certain applications. The design specifications of flat rectangular windows for underwater vision on a new hippopotamus installation at Barcelona Zoo question the use of acrylic. This paper describes a case study in which monolithic PMMA and laminated glass are compared from the perspective of resistance, optical performance, safety, availability, manufacturing, assembling and maintenance costs. Although still in the concept design stage, the study reveals laminated glass to be the preferred option. [Original language: English]

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Albert VidalAvril 2011

The Berkeley glass pavillion

The Berkeley hotel in Knightsbridge, London, is scheduled to undergo renovation in the near future. Part of the project includes the construction of a new entrance canopy / glass pavillion designed by Rogers Stirk Harbour and Partners.This paper describes the design, testing and construction of the pavillion, focusing on its carbon fibre composite structural elements and its innovative glass-honeycomb sandwich panels that were specially developed for this project.

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Carles TeixidorOctobre 2009

Development of an Insulated Glass Corner Unit

The new Silken Hotel, constructed in the economic and financial centre of London, has brought forth a new challenge in the architectonic use of glass. The design and manufacture of insulated corner glass units measuring 2.5 metres in height and 2 meters of development.

The units, consisting of two 90º sheets, create a completely transparent union. This article describes the design and engineering of this innovative product, putting emphasis on the decisive stages from a reliability standpoint.

Long-term safety against water vapor permeation, a key factor due to the lack of a separator in the vertical joint, has been resolved thanks to an intense and creative conceptual design. The manufacture and installation stages, which are obsolete in conventional insulated glass, have been critical in the development of this product. The solutions and adopted measures are described in this article. [Original language: Spanish]

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Albert VidalOctobre 2009

Glass in Structural Engineering

With a purely didactic aim, the following text explains the process of manufacturing the type of glass that is used in architecture today. The main physical properties of glass, as well as the products derived from it that are of structural significance, are discussed in order to go into more depth about the bases of mechanical fracture and its use in the most current models for predicting fatigue life, the basis for both current regulations and those in development. [Original language: Spanish]

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Francesc ArbósOctobre 2009

Laminated Glass, Architect Interview

Francesc Arbós Bellapart: a pioneer in structural architectural laminated glass.[Original language: English]

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Francesc ArbósAoût 2007

Hotel Hesperia's Glazed Dome, Barcelona, Spain

This paper describes the design and construction of the glazed dome of the EVO restaurant, situated on top of the recently inaugurated Hesperia Tower hotel, in Barcelona. The construction of the dome required some special processes and solutions which enabled the dome to be built on the ground and then lifted to its final position on top of the tower. The 42 t dome, which is 22 m in diameter, was lifted with its glazed chadding completely installed including all scalings between glass panels.[Original language: English]

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Carles TeixidorFévrier 2007

Atrium of the Hotel Hesperia Tower, Barcelona, Spain

The new Hotel Hesperia Tower has recently been inaugurated in Barcelona. This paper describes the design and construction of its glazed atrium, focusing on the prestressed bracing system that guarantees its stability. Several details are also described, emphasizing the possibilites of modern steel milling technologies for the manufacture of complex steel parts.[Original language: English]

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Carles TeixidorFévrier 2007

3-11 Memorial Monolith

On March 11, 2004 in Madrid 191 people were killed in terrorist bomb attacks on four suburban trains. 1824 people were severely injured. The monument to the victims is located next to the Atocha Railway Station in the centre of Madrid and was inaugurated and presented to the public by Juan Carlos I, King of Spain and Queen Sofía on the third anniversary of the tragedy.[Original language: English]

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Francesc Arbós - Carles TeixidorFévrier 2007

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