The steel fabricator for the third-floor tapered, built-up plate girders at the troubled Salesforce Transit Center in San Francisco is calling for a girder-hanger connection design review as part of ...

Gender changer plates are made with a nominal-size center hole. This permits two O-ring clamplike flange faces to join together with O-rings sealing on the opposing gender changer plate surface. These ...

This pole suffered a failure in the welded seam at an overlapping slip splice. A tubular steel transmission pole generally consists of a series of welded assemblies. The pole shafts and arms are ...