Encyclopedia

built beam

built-up beam

built-up beam on a post
1. A beam made of structural metal units (such as plates and angles) which are riveted, bolted, or welded together.
2. A beam of precast concrete units which are joined by shear connectors.
3. A flitch beam.
4. A timber made up of several pieces fastened together, forming one of larger dimensions.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive
"We built beams with six layers," he says, which doesn't get down to the scale of thousands of layers in a seashell.
Making the most of it: how nature turns weakness into strength
In less than 1 second, the device these scientists have built beams 12 colors of light sequentially down a cable of optical fibers and onto the tissue the fibers are touching.
Optical biopsy hunts would-be cancers. (Science News of the week)
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