Steel

Why Did They Do That?

A large part of field investigation is trying to get inside the head of whoever designed and built the structure you are looking at.* The idea is that people do things for rational** reasons so if we can figure out those reasons we have a head-start on understanding the built result. The more you understand …

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Archish

That’s the side of Pier A, at the foot of the Hudson River, which I wrote about a couple of years ago. It’s a steel-frame structure sitting on wood piles and clad with sheet metal, but because of it was built in the 1880s it has architectural aspirations beyond being a box. What caught my …

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Partly Hidden and Accidentally Photographed

I took the picture above just before the West Thames Street bridge was put in place. The mesh-enclosed tower in the middle is the elevator that will lead to the west side of the bridge, the gray-steel west pier of the bridge is just to its right. The center pier of the bridge, where the …

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Inadvertent Structural Action

The title of this post is recycled from a talk I gave 16 years ago, “Inadvertent Structural Action in Traditional Buildings; or Why Hasn’t That Fallen Down Yet?” That talk was about how buildings that were constructed without structural design are often stronger than we think they are. The picture above is not that, but …

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Another Massive Fake

That is not an arch. Sure, it’s arched, but (a) the big steel column extending through the middle is sort of a tip-off that the old New York Evening Post building is a steel-frame structure and (b) there are windows on both side of the arched opening that are directly in line with where the …

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