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dc.coverage.spatialSite: Chicago, Illinois, United Statesen_US
dc.coverage.temporal1972-1974 (creation); 1990-1992 (alteration)en_US
dc.creatorStone, Edward Durellen_US
dc.creatorPerkins & Willen_US
dc.date1972-1974en_US
dc.date.accessioned2013-05-08T16:03:32Z
dc.date.available2013-05-08T16:03:32Z
dc.date.issued1972-1974en_US
dc.identifier215057en_US
dc.identifier.otherarchrefid: 219en_US
dc.identifier.urihttp://hdl.handle.net/1721.3/122405
dc.descriptionClose side view of the upper shaft; The second tallest tower in Chicago, the Standard Oil Building is a stand-out due to its monumental proportions and gleaming white facade. Measuring 194 feet square in plan and boasting generous 30,000 square-foot floor plates, the tower was originally clad in Italian Carrara marble, and later (1990-1992) replaced with 44,000 pieces of 2-inch thick granite. The building employs a tubular steel-framed structural system with V-shaped perimeter columns to resist earthquakes, reduce sway, minimize column bending, and maximize column-free space. To further expand rentable area, 40 of the building's 50 elevators are double-deckers, an often preferred solution to ensure efficient vertical circulation while reducing the space consumed by the central service core. The foundation features 56 caissons consisting of steel-encased vertical shafts filled with reinforced concrete and socketed several feet into solid bedrock more than 100 feet below ground. The caissons contain 50 million pounds of concrete and 2 million of steel. It was renamed as the Aon Center on December 30, 1999. Source: The Skyscraper Museum [website]; http://www.skyscraper.org/ (accessed 12/9/2007)en_US
dc.format.mediumMount Airy white graniteen_US
dc.rights© Scott Gilchrist, Archivision, Inc.en_US
dc.subjectarchitectural exteriorsen_US
dc.subjectbusiness, commerce and tradeen_US
dc.subjectModernisten_US
dc.titleAon Centeren_US
dc.title.alternativeStandard Oil Buildingen_US
dc.title.alternativeAmoco Buildingen_US
dc.typeimageen_US
dc.rights.accessLicensed for educational and research use by the MIT community onlyen_US
dc.identifier.vendorcode1A1-SE-SO-A4en_US
vra.culturalContextAmericanen_US
vra.techniqueconstruction (assembling)en_US
vra.worktypeoffice buildingen_US
vra.worktypeskyscraperen_US
dc.contributor.displayEdward Durell Stone (American architect, 1902-1978); Perkins & Will (American architectural firm, 1946-1964)en_US


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