Bottom chord

bottom chord

[′bäd·əm ‚kȯrd]
(civil engineering)
Any of the bottom series of truss members parallel to the roadway of a bridge.

Bottom chord

A chord along the lower perimeter of a truss; one of a pair with a top chord.

bottom chord

The lower longitudinal member of a truss.
References in periodicals archive ?
For compression in the top chord of the HJ, the joint was tested right side up (not shown here) and the bottom chord was supported by the pin/roller support.
They are attached to the top and bottom chord with pinned joints.
Tenders are invited for Strengthening Of Corroded & Perforated Bottom Chord & Vertical Members, Replacement Of Corroded Gusset Plate At Br.
The bottom chord of the trusses gets into a zone of the neutral line, therefore the internal forces are insignificant and even change the sign.
The optimal cross-sectional areas of the bottom chord and vertical web elements are found to be smaller, meanwhile cross-sectional areas of the top chord and inclined web elements--bigger in the case C2.
The bottom chord adopts a channel cross section with a beam height of 1.
The chambers of single cable and cable truss bottom chord f are equal to 20 m.
At each of the seven spacer locations, paint glue on a spacer and the bottom chord where it fits, and position the spacer on the bottom chord, against the spacer stops.
The roof support system above the one-story building features open web trusses and bottom chord bracing, which fillet weld connections.
Trusses in which the top chords frame into the bottom chord are able to carry substantially higher loads than are those in which the bottom chord frames into the top chords.