Many renovated buildings replace wood and masonry structural elements with steel. The replacement of heavy wooden roof and floor joists with the lighter steel open-web bar-truss joists is a common ...

Using 80-ksi steel in upper perimeter columns—a first in the U.S.—helped the design team reduce the total steel by almost 20% for 320 S. Canal, a 51-floor office tower under construction in Chicago's ...

Thanks to a structural-steel hat truss, the 10-story tower of the 240-ft-tall New United States Courthouse, Los Angeles, appears to balance on its core, hovering over the ground as if it were a ...

CORAL GABLES, Fla. (July 14, 2014) -- When envisioning a new structure, engineers often have to balance design choices against the environmental impact of materials used. It is estimated that 40 to 50 ...

Even if your roof trusses feel like a barrier to converting your loft, with the right structural changes you can still extend ...