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Fazlur Rahman Khan ( Bengali: ফজলুর রহমান খান, Fazlur Rôhman Khan; 3 April 1929 – 27 March 1982) was a Bangladeshi-American [3] structural engineer and architect, who initiated important structural systems for skyscrapers. [4] [5] [6] Considered the "father of tubular designs " for high-rises, [7] Khan was also a ...
Mar 8, 2018 · The Sears Tower, now known as the Willis Tower, is arguably, the crowning glory of the late Fazlur Rahman Khan.When it opened its doors in 1974 it became the world’s tallest building, an epithet ...
- Christopher Mcfadden
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 ...
In 1969-1970 Fazlur Khan introduced another groundbreaking structural system, the bundled tube, which he initiated in the Sears Tower design. The design for Chicago’s 110-story, 1,450 foot tall Sears Tower (now called the Willis Tower) provided more space and rose higher than the Empire State Building, yet cost much less per unit floor area.
Nov 24, 2023 · In 1962, architect Bruce Graham – from the firm Skidmore, Owings & Merrill (SOM) – asked engineer Fazlur Rahman Khan to tell him which was the most economical structure possible to build a skyscraper. The question was a question of survival because, at that time, the world of architecture was wondering if skyscrapers had stopped making sense.
Fazlur Khan, the engineer selected to work on the project, came up with the structural system that defined the Sears Tower. This bundled tube system gave the building its physical strength while saving Sears $10 million as compared to pre-existing structural systems. 9 Khan had already worked on another Chicago project, the John Hancock Center ...
Jun 5, 2023 · The chief architectural engineer for the project, Fazlur Rahman Khan, devised a novel “bundled tube” structural system for the tower. This system was not only incredibly efficient—allowing for less steel to be used compared to other building methods—but it also gave the tower its distinct, stacked appearance.
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