Engineering experts tell NBC Bay Area the cracks found in the Transbay Terminal superstructure appear to have started at the sharp corners of holes cut into vital steel beams during construction – ...
Add Yahoo as a preferred source to see more of our stories on Google. Crews began cutting through steel beams as cranes prepared to lift debris from the collapsed Francis Scott Key bridge off the ...
Structural applications of steel have long made use of elongated beams with carefully designed profiles, whose geometry gives them specific mechanical properties. Nowadays, the variety of cutting and ...
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