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 ...

Large buildings, industrial installations, and infrastructure projects rely on more than concrete, steel, and timber. Beneath ...

Structural steel is also used in various industries such as power generation, electricity transmission & distribution, mining, etc. Most of the substructure components in the mines are supported by ...

Need a steel beam? You can 3D print PLA beams that are as strong as a steel beam of equivalent weight according to [RepRap]. The Python code for FreeCAD generates a repeating structure especially well ...

SAN FRANCISCO — Defects that occurred during fabrication, along with holes cut into the steel, are likely what caused two structural steel beams to crack just six weeks after the $2.2 billion ...