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A lightweight steel open-web bar-truss joist, similar to the floors of the World Trade Center and the roof of the Charleston, SC, sofa store, is a long steel bar (web) bent at 90-degree angles and ...
The Steel Joist Institute (SJI) will be hosting its October webinar, titled "Open Web Steel Joists 101," which will highlight the basics of open web steel joists and joist girders. The webinar will be ...
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