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American Institute of Steel Construction: Technical Background Available - "Fracture-Critical"
April 03, 2024
CHICAGO, Illinois, April 3 -- The American Institute of Steel Construction issued the following news release on April 2, 2024:

Various news stories about the Francis Scott Key Bridge collapse have discussed the design and noted it included fracture critical steel members, which are more correctly known today as Nonredundant Steel Tension Members (NSTMs).

Broadly speaking, the public misunderstands what this technical language means, and it is commonly incorrectly covere . . .

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