For a complanate parallel chords truss, the axial forces of a member can be solved by the shear-diagram and two simple expressions.

 
  • 借助與桁架對應的梁的剪力圖和彎矩圖根據兩個(gè)關(guān)系式可直接求出一般平面平行弦桁架任一根桿件的軸力。
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