The design of structural bridge elements like columns, beam-column joints, and cap beams has changed tremendously over the past 30 years. Many experimental tests have been done in order to determine ...

New research shows steel I- and T-sections inside concrete beams can offset shear loss from web openings—enhancing safety in ...

DEAR TIM: I’m getting ready to build a large room addition that needs a beam to support the floor joists. I’ve been told that a wood beam will work, but I’ve always seen steel I-beams in other houses.

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 ...