parallel-chord truss

flat-chord truss

A truss in which the top and bottom chords are approximately flat and parallel.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Their design featured a deck of 2 by 6 Douglas-fir placed longitudinally over 12 engineered I-joist transverse floor beams supported by 2 outside parallel-chord trusses incorporating a tension rod suspension of "M" configuration.
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