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Revision as of 21:21, 9 July 2005 by Sonett72 (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)I-beams are beams with an I- or H-shaped cross-section. The Euler-Bernoulli beam equation shows that this is a very efficient form for carrying bending in the plane of the web. It is not as capable in the transverse direction, and it is a poor choice for carrying torsion. Tubular sections are usually used to carry 3D loading. The I-beam has very little margin for plastic bending.
There are two standard I-beam forms:
- I-beam, formed by rolling or extrusion (depending on material)
- Wide flange or H-beam, formed by welding plates.
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