Items Tagged with 'brittle fractures'

The American Institute of Steel Construction task group reviewed proposals made by California's Metropolitan Transportation Commission, in the aftermath of the 2018 discovery of brittle fractures in plate girders at the Salesforce Transit Center.

The American Institute of Steel Construction’s group reviewing problematic built-up plate girders in San Francisco’s Salesforce Transit Center is considering the girders’ design detail—where the brittle fractures occurred. The team will also look into a similar girder failure at the SoNo Collection mall in Connecticut.

The public authority that owns and runs the Salesforce Transit Center in San Francisco forcefully disagrees with the Metropolitan Transportation Commission's independent expert panel that reviewed the 2018 brittle fractures in twin built-up plate girders.

The steel subcontractor and the fabricator for the problem bridge-like spans at San Francisco's Salesforce Transit Center are vigorously countering the Transbay Joint Powers Authority's contention that a construction error caused the brittle fractures of the hub’s two built-up plate girders.

Crews shore twin 80-ft-long plate girders at San Francisco transit center after discovery of brittle fractures in flanges