Comparison Between Rigid Frames and Trusses

Following is the comparison between rigid frames and trusses.



Rigid frames

  • Joints are considered as having frictionless pins in trusses with no moments at the member ends.
  • The forces in trusses are only axial. Due to this members are equally stressed throughout their cross-section.
  • The design of a member in case of a truss is economical.
  • In rigid frames, the members are rigidly connected having appreciable moments at the member ends.
  • Due to bending moments, the fibers away from the neutral axis have maximum stresses and fibers close to the neutral axis have less stress.
  • The design of rigid frame member is less economical as compared to trusses.


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Satya Prakash

Mr. Satya Prakash is a research scholar.

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