Skidmore, Owings and Merrill (S.O.M.). John Hancock Center. Chicago

September 30, 2009

 Skidmore, Owings and Merrill (S.O.M.). John Hancock Center. Chicago

SOM’s website states that the John Hancock Center is the “world’s first mixed-use (hybrid) high-rise”. We do not know if this assertion is in fact accurate, but we do not really mind. There are some other facts we find more relevant: this 433 metres, 100-storey tower contains offices, retail, housing, parking, a TV and radio broadcast facility and a public observatory with the best views of Chicago (we include some of them in the post).

The collaboration between architect Bruce Graham and engineer Fazlur Khan resulted in a structural tube of perimeter pillars and exterior diagonals. This system reduced the amount of steel necessary to raise the building and its tapered shape allows for a better distribution of uses inside, where the distance between floors diminishes with height.

Photos taken by Javier Arpa, available under request.

Skidmore, Owings and Merrill (S.O.M.)
John Hancock Center
875 N Michigan Ave
Chicago, IL 60611, USA 1970


































 


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