Salesforce Transit Center's structural fiasco saga revisited


The cracks discovered beneath the rooftop park were classic brittle fractures. The tapered 4-inch-thick steel beams—2.5 feet wide and 60 feet long, with a horizontal flange on the bottom—undergirded the 5.4-acre park on the building’s fourth level, and buttressed the roof of the bus deck on the second level. By themselves, the cracks formed a point of weakness with potentially hazardous consequences. But they also suggested the possibility of a larger crisis.



Popular Mechanics offer a detailed recap of the events following the discovery of two cracked structural steel beams in the brand new $2.2 billion, Pelli Clarke Pelli-designed Transbay Transit Center in San Francisco in 2018.

Alexander Walter via Archinect - News http://bit.ly/36jdRIX

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