Bar joist

bar joist

[′bär ‚jȯist]
(building construction)
A small steel truss with wire or rod web lacing used for roof and floor supports.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Bar joist

An open web joist with diagonal struts made of round or square steel bars with the top and bottom chords made up from pairs of steel angles.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

bar joist

An open-web flat-trussed structural member used to support a floor or roof structure.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Included are a beam and bar joist structure ideal for medium-to-large mezzanines requiring wide spans and higher load capacities up to 300 pounds per square foot; a bolted C-section structure for smaller bay areas measuring 11 x 16 feet with load capacities up to 200 pounds per square foot; and a rugged beam and beam structure for higher mezzanine load and span requirements.
Cubic Designs offers a range of proven mezzanine designs--from a wide span bar joist system to the Cubic high strength moment connection system which is specifically designed for Seismic Zone 3 and Zone 4.
This building also has some complicated steel work that includes rolled steel members for the radiused roofs and bar joist up an incline to form the 4/12 composition shingle roof slope.
The fluorescent units are mounted tightly against the bottom of the bar joist ceiling, which is 10 ft.
This two-story, freestanding fire station is constructed from structural steel, poured concrete, bar joist and metal deck roof structure, and concrete tilt-panel wall system.
The beam and bar joist design was not only selected for its strength and ability to accommodate wide spans, but also for easy installation of sprinklers and lighting underneath the floor.
On a 100,000-square-foot building, unnecessarily painting the steel can easily add $30,000 (though the savings would be slightly less for not painting a bar joist system).