I’m sure you’ve driven across or seen large steel truss bridges that are made by combining any number of huge steel beams into right triangles that interconnect. When viewed from the side they look ...

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 ...

Last week, I was downloading some photos from my fancy digital camera, and I stumbled across hundreds of forgotten photos I shot while my daughter’s new home was being built on Mt. Desert Island in ...