Oakland Bay Bridge officials consider the failure of 32 anchor rods in March due to hydrogen embrittlement to be “a closed matter.”MTC Executive Director Steve Heminger has conceded that Caltrans failed to provide adequate specifications to the manufacturer or mandate specific tests that would have revealed whether the bolts, manufactured between June 4, 2008, and September 6, 2008, were susceptible to hydrogen embrittlement. (…)
via Testing Continues on Bay Bridge Bolts – Global Fastener News – USA.