This article from Engineering.com examines how fabric buildings are constructed. In particular it looks at framing the buildings with solid steel tapered I-beams versus web trusses. It explains the advantages of being able to construct clearspan buildings, meaning structures that don't require central column supports-- giving the building owner more useable floor space. It also examines some of the drawbacks of traditional web trusses including hidden corrosion, chord plastification and limited design flexibility.
Read more at engineering.com