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An I-beam, also known as H-beam (for universal column, UC), w-beam (for "wide flange"), universal beam (UB), rolled steel joist (RSJ), or double-T, is a beam with an I or H-shaped cross-section. The horizontal elements of the I are flanges, and the vertical element is the "web". I-beams are usually made of structural steel and are used in construction and civil engineering. h4. See Also * [[construction site]] * [[steel beam]] h4. External Links * "Wikipedia: I-beam":[https://en.wikipedia.org/wiki/I-beam] Updated by bot Sun, Sep 18 '22, 02:55 |