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 ...

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 ...

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.

Welcome back to the "Behold the Beam" series of articles. In part three (Firehouse®, September 2010) of the series, we discussed the first five of the 13 common types of beams that firefighters can ...

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 ...