Fictional joint in the dynamic analysis of portal frame

S.S. Law, Z.M. Wu, Siu Lai Chan

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


This paper presents a macro element with slotted bolted nonlinear frictional joints at the ends that have flexibility in the tangential directions. A virtual connection spring element is inserted at the intersection point between a beam and a column to model the behavior of a frictional joint. Numerical simulations with a portal frame showed that the inclusion of nonlinear behavior of the connections could significantly improve the dynamic performance of the simple structures through good damping and energy absorption characteristics.
Original languageEnglish
Title of host publication[Missing Source Name from PIRA]
Number of pages8
Publication statusPublished - 2002
EventInternational Conference on Advances in Steel Structures [ICASS] - , Hong Kong
Duration: 1 Jan 200211 Dec 2002


ConferenceInternational Conference on Advances in Steel Structures [ICASS]
Country/TerritoryHong Kong


  • Beams
  • Columns
  • Cyclic strength
  • Dynamic structural analysis
  • Flexibility
  • Friction factor
  • Joints (Engineering)
  • Nonlinear systems
  • Prestressing
  • Steel structures


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