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Thread: Chicago - John Hancock Center - by Skidmore, Owings & Merrill

  1. #16
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    Quote Originally Posted by Fabb
    Right.
    I think they are V-braces instead of X-braces.
    They are sometimes called chevrons- either upright or down facing. Also, there is also K-bracing, which is probably used more that the previous ones.

    The braces on Citicorp also carry some of the gravity loads, channeling them onto the mid-plane columns.

  2. #17
    Senior Member JonY's Avatar
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    External truss-bracing has been placed on the facade on Sydney's Capita Centre,
    completed 1989. Architect Harry Seidler. Also showing the large voids:

    _

  3. #18

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    Alcoa building San Francisco. Very John Hancock.


  4. #19
    Senior Member JonY's Avatar
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    Of course JM Garcia, they were designed by the same archiitects - read on.

    The John Hancock Tower is 1,096ft to roof whereas San Francisco's Alcoa Building,
    also known as One Maritme Plaza is 395ft to roof and was completed in 1964 -
    basically J.H. is approx. higher by x 2.75.

    Both towers were designed by Skidmore, Owings and Merril LLP.

    A larger pic of the Alcoa Builidng as previouly mentioned above,
    also known as One Maritme Plaza:



    A small detail below of the X bracing:

    _________________

    & a pic of it in the early evening:


  5. #20

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    It never ceases to amaze me what the proper light can do for a building.


  6. #21
    Senior Member JonY's Avatar
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    Most indeedly-doodly JMGarcia

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