Nonlinear structural response to combines live load processes

Karen C. Chou, Philip A. Thayaparan

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Reliability of structural members with nonlinear material property subjected to combined live load processes is studied. An earlier study using an envelope process yields very wide bounds of values for the first moment of load exceedances (number of loads exceeding apredetermined threshold deformation, Δ0) and damage duration (total time a process has deformation larger than Δ0). By assuming that only the sustained load causes permanent deformation, and by modifying the concepts used in a prior study for a contiguous rectangular pulse, are finement on the bounds of the expected number of combined load exceedances and damage duration are found. In addition, the relationship between linear and nonlinear structural response is examined for different elastic limits both in load exceedances and in damage duration.

Original languageEnglish (US)
Pages (from-to)1135-1151
Number of pages17
JournalJournal of Structural Engineering (United States)
Issue number5
StatePublished - May 1988

ASJC Scopus subject areas

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


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