Quote:
Originally Posted by weidncol
The PATH Hall is a giant open space. If there wasn't a few columns, the whole place would collapse.
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Nope, PATH ceiling was first conceived as a column-free space. It would have been supported by two extensive vierendeel trusses and a bearing system between the supercolumns below the Subway box and the North & South shear walls.
The structure of the ceiling was revised in order to reduce costs and accelerate the process of construction (PATH hall ceiling was required to be built to allow memorial plaza above to be completed by the 10th anniversary).