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The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...
He was the designer of the Sears Tower, since renamed Willis Tower, the tallest building in the world from 1973 until 1998, and the 100-story John Hancock Center. A partner in the firm Skidmore, Owings & Merrill in Chicago, Khan, more than any other individual, ushered in a renaissance in skyscraper construction during the second half of the ...
The tallest building in the city is the 110-story Willis Tower (also known as the Sears Tower), which rises 1,451 feet (442 m) in the Chicago Loop and was completed in 1974. [ 2 ] [ 3 ] Sears Tower was the tallest building in the world upon its completion, and remained the tallest building in the United States until May 10, 2013. [ 4 ]
SOM's City Design practice has made influential contributions to urban design approaches such as transit-oriented development, overbuild strategies and sustainable urbanism. In 1942, SOM was hired by the U.S. Army Corps of Engineers for a highly confidential project: the planning of Oak Ridge, Tennessee. By 1945, the town was home to 75,000 people.
Earthquake engineering software PROKON: Structural analysis and design software Realsoft 3D: General 3D analysis and design software Revit: BIM & 3D modeling software applied for civil & structural engineering RFEM: 3D structural analysis & design software SDC Verifier: Structural verification and code-checking according to different industrial ...
Among his most notable buildings are the Inland Steel Building, the Willis Tower (formerly the Sears Tower), and the John Hancock Center. [1] He was also responsible for planning the Broadgate and Canary Wharf developments in London. [2] [3] [4] Architectural historian Franz Schulze called him "the Burnham of his generation." [1] He was a 1993 ...
The Sears, Roebuck and Company Complex is a building complex in the community area of North Lawndale in Chicago, Illinois.The complex hosted most of department-store chain Sears' mail order operations between 1906 and 1993, and it also served as Sears' corporate headquarters until 1973, when the Sears Tower was completed.
By 1963, a new structural system of framed tubes had appeared in skyscraper design and construction. Fazlur Rahman Khan, a structural engineer from Bangladesh (then called East Pakistan) who worked at Skidmore, Owings & Merrill, defined the framed tube structure as "a three dimensional space structure composed of three, four, or possibly more frames, braced frames, or shear walls, joined at or ...