bottom chord meaning

• [Architecture]
  

  The lower longitudinal member of a truss.

• 
  [Civil engineering]
  Any of the bottom series of truss members parallel to the roadway of a bridge.

• Curved bottom chord
• The fatigue strength of bottom chord node board, which is sensitivity to fatigue, is calculated by fem method
• Square end joists are primarily intended for bottom chord bearing.
• The bottom chords of the bridges range from to and the width averages.
• More than half the bridge's bottom chords were bent or twisted beyond repair.
• Latitudinal and longitudinal I-beams supported by the bottom chords provide a deck frame.
• Some early German bridges included diagonal panel bracing in trusses with parallel top and bottom chords.
• Top and bottom chords are made up of circular hollow sections which forms a triangular shape.
• The bottom chord of the trusses is a heavy tie beam supported on timber wall brackets.
• Along each end of the bottom chord are support rails with rope eyelets for suspension of tarpaulins.

• "bottom chord" meaning in Chinese: 底弦杆
• "bottom chord" meaning in Japanese: bottom chord 下弦[基礎]; 下弦[機械]
• "bottom chord" meaning in Russian: нижний пояс