AISC’s ad hoc task group on Transbay has wrapped up its work and made its recommendations to the AISC Committee on Specifications. The group was formed after cracks were discovered in steel members in the newly opened Transbay Transit Center in San Francisco.
It’s expected the report will lead to a number of changes in future steel specifications. “The task group presented a holistic set of proposals dealing with fracture toughness, sharp discontinuities, stress levels, and inspection practices, while also considering practical commercial issues,” said AISC Vice President of Special Projects Lawrence F. Kruth, PE.
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