This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. INDOT says project is ahead of schedule ...

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 ...

Q. 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. Is it ...

The idea of strengthening a steel beam with carbon fiber is not new. Approaches have ranged from coating corroded steel i-beams with carbon fiber and epoxy to a patent by Boeing where carbon fiber ...