Investigators for San Francisco’s Transbay Joint Powers Authority are searching for the cause of brittle fractures in the tapered bottom flanges of twin 80-ft-long built-up plate girders in San Francisco’s Salesforce Transit Center. With shoring in place to relieve the loads on the problem girders, which span Fremont Street, shoring contractors are turning their attention to similar parallel girders that span nearby First Street, though no cracks have surfaced there.
Design for Salesforce Transit Center Flange Fracture Fix Coming Soon
October 23, 2018
Nadine M. Post - Engineering News-Record
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