An untold number of welded steel moment frame buildings constructed prior to 1994 have yet to be inspected, repaired, or retrofitted in the city of Los Angeles. Michael Rosebrock / Shutterstock Daniel ...
San Diego: California researchers plan to rock and rattle a six-story steel-frame building on the world's largest shake table to see if the structure can withstand the force equal to a 6.7-magnitude ...
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