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Innovative Use Of Glass In Architecture

08 Nov 2012
 

Innovative Use of Glass in architecture

The Willis Tower
Here is an unconventional usage of glass, which has become one of the most recognizable landmarks in the Chicago skyline and in the world – the Willis Tower.

 The tower which rises to a height of 1,450 feet, was originally designed by the architectural firm Skidmore, Owings & Merrill for Sears, Roebuck & Company. It was completed in the month of May, 1973. The building held the record for the world’s tallest building for 25 years until the Petronas Towers in Kuala Lumpur, in Malaysia was built in 1998.

The Sears Tower Glass Balconies or Willis Tower as it is now known as extends from near the building’s peak at 1,353 feet, adding a whole new dimension to the city skyline.

Glass facades in high rise buildings
The use of glass for facades and high rise buildings as the Willis Tower, provides, an unobstructed and unparalled view of the entire city of Chicago.

The Willis Tower adds a new perspective to glass in architecture, the structural glazing concepts used, add to the aesthetics of this high rise building.

Glass balconies – the highlights
This tallest skyscraper in the United States is a 110 storied building with four glass box viewing balconies, which are suspended 1,353 feet (412 m) in the air on the 103rd floor.

Each box comprises of three layers of half-inch thick toughened glass, laminated into one seamless unit. The four glass boxes are collectively known as The Ledge.

The original architects Skidmore, Owings and Merrill (SOM) designed The Ledge as enclosed glass boxes which retract into the building.

Halcrow Yolles, experts in international structural glass design, took the design a step further by eliminating all perimeter structural steel at the sides and along the floor of the glass enclosures and creating a near-invisible support system.

The Tower is a major attraction in Chicago today.

source

http://www.theskydeck.com/

http://www.home-designing.com/2009/07/amazing-balconies-of-willis-tower-formerly-sears-tower

http://www.mirror.co.uk/news/uk-news/amazing-pictures-of-new-sears-tower-403943

http://www.dailymail.co.uk/news/article-1196967/Dont-look-Terrifying-view-glass-box-balcony-jutting-skyscrapers-103rd-floor.html

http://designcrave.com/2009-07-02/sears-tower-reveals-glass-balconies-on-103rd-floor/

http://www.willistower.com/

http://www.glasswebsite.com/

http://www.thecoolist.com/

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