... in bridge ,workshope ,building.....An I-beam, also known as H-beam, W-beam (for "wide flange"), rolled steel ... Spanish and German), is a beam with an I- or H-shaped cross-section. The horizontal elements of ... most of the bending moment experienced by the beam. Beam theory shows that the I-shaped section is ... the web. On the other hand, the cross-section has a reduced capacity in the transverse ...