From the history, the changes in structure to cope with high and higher buildings without losing floor space at the bottom to structure - exterior bracing like the Sears Tower, curtain wall, Structural wall like the World Trade Centers,
Also the alternation between styles that hide the structure (like the Empire State in one direction or mirror walls in the other) and those that celebrate it, like the Sears Tower where the diagonal bracing is a design feature. Utilitarian vs decorative. And as represented in Dallas, Houston, and some other cities, the various treatments of the top of the building which forms or affects the skyline including points, holes, arches, and edges that run on the diagonal.
2007-03-04 06:24:56
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answer #1
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answered by Mike1942f 7
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