Analysis

A Good Idea Internationally

I’ve written several times about the CROSS (Confidential Reporting on Structural Safety) website. It allows engineers (and theoretically others) to anonymously report issues that are potentially dangerous or have led to structural failure, so that engineers everywhere may learn from those problems and their solutions. It originated in the UK, sponsored by professional and government …

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Incompatibility: Form and Material

The 1934 concrete-truss McMillin Bridge in Washington state. I’ve written a number of posts on the topic of incompatibilities between different aspects of buildings and they’ve mostly been about nuisances. This one is different and was triggered by my reading the OSHA report on the collapse of the FIU footbridge in Miami during its construction. …

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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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Temporary Exposure and Temporary Stability

The picture above shows the sanctuary of the Serbian Orthodox Cathedral of Saint Sava last summer, when work was starting on restoration. It is nearly the same view as the painting I used for yesterday’s post. The loss of the roof and the destruction of the interior of the church in the fire explain, I …

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