Member stiffness with offset hinges

Robert Levy, Frantz Joseph, W. R. Spillers

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


In the most simple case of plastic collapse, it is said that a hinge forms in a member when the moment capacity is reached. In the more complex case of plastic collapse, when the effect of axial load on the moment capacity is considered, it is argued here that an "offset hinge" is formed since as you move along an interaction or limit surface, the incremental moment is proportional to the incremental axial load. In this note the stiffness of a plane, elastic, straight member with offset hinges at either or both ends is derived. An example of plastic collapse taken from the European literature is included.

Original languageEnglish
Pages (from-to)527-529
Number of pages3
JournalJournal of Structural Engineering
Issue number4
StatePublished - 1 Jan 1997
Externally publishedYes

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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