Steel

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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Wings and Struts

A few months ago, I discussed an example of an isolated wing of an old steel-frame building being connected back to the main block. It’s worth discussing the way this use of struts changes the analysis of such a building. The picture above is the back of a 1920s apartment house on west 23rd Street, …

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An Intermediate Milestone

The roof deck at the nave of the Cathedral of Saint Sava is almost done. Still a lot of work to come, but this feels good.

The Thrill Of Reality

After a lot of discussion, I’ve brought the story of the Serbian Orthodox Cathedral of Saint Sava up to date. Steel erection started not long ago, and the new roof trusses are in place. The current work is the roof enclosure – the steel deck that is the actual roof supported on the trusses – …

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Analyzed For The First Time

In 2017, Old Structures began work on the engineering portion of the restoration of the Serbian Orthodox Cathedral of Saint Sava. The design team is headed by Don Zivkovic and Brian Connelly of Zivkovic Connelly Architects; Shaquana Lovell from OSE performed most of the structural design. The first step of any project is to figure …

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