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 ...

Builders of the tallest office tower under construction at ground zero have set a 70-ton piece of steel into place — the largest column installed yet at the building. Three more columns are set to go ...

Thanks to a number of key innovations, steel is playing a greater role in residential high-rises, senior and student housing, and taller mixed-use developments, says architect Jayshree Shah, AIA, ...