DescriptionCitigroup Center (1977) (A. Moore) with frame - agr ink2.png
English: Manhattan's w:Citigroup Center building with a sketch of its internal framework framework superimposed on one side. The same framework system is incorporated in all four sides and transmits gravity and wind loads to the four support columns at the center of each side. (There is a fifth support column in the center.) Sketch is based on information from several sources, including the AIA Trust case study on the building,[1]
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