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 ...

Timber trusses are wooden structural frameworks used to support roofs or other heavy structures. Fabricated from a series of triangles linked by a ridge beam and purlins, wooden trusses are ...

Wood truss construction surged in popularity in the 1960s and ’70s, but back then most buildings that used metal-plate-connected wood trusses had flat ceilings. With today’s CAD and BIM technology, ...

Introduction Have you ever driven across a bridge or seen a building that is under construction and noticed the large metal support girders? What about wooden beams in a house that is under ...

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 ...