Quote:
Originally Posted by Cro Burnham
An engineer should clear this up.
But I do know it is typical for the piers in concrete frame buildings to get narrower (and frequently for windows to get bigger, conversely) the higher up they are:
1) because the higher piers bear less load and can be smaller
2) because it is necessary to reduce building weight bearing down on lower structural components, so higher components need to be as light as possible.
Remember back to the famous masonry-framed Monadnock Building in Chicago: the brick walls are something like 16 feet thick at the base:
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Aparently, they are doing something similar here. Two floorplans of the apartments, one of a small units, presumible of the lower floor, and a full floor apartment, that should be in the upper floors. As yo can see, the width of the columns seems the same, but they are clearly less "thick" in the full floor apartment
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