Minimum-weight seismic design of a moment-resisting frame accounting for incremental collapse

Research output: Contribution to journalArticle

Abstract

It was shown in the previous study (Lee and Bertero 1993) that incremental collapse can lead to the exhaustion of the plastic rotation capacity at critical regions in a structure when subjected to the number of load cycles and load intensities as expected during maximum credible earthquakes and that this type of collapse can be predicted using the shakedown analysis technique. In this study, a minimum-weight design methodology, which takes into account not only the prevention of this incremental collapse but also the requirements of the serviceability limit states, is proposed by using the shakedown analysis technique and a nonlinear programming algorithm (gradient projection method).

Original languageEnglish
Pages (from-to)35-52
Number of pages18
JournalStructural Engineering and Mechanics
Volume13
Issue number1
Publication statusPublished - 2002 Jan 1

Keywords

  • Earthquake load
  • Incremental collapse
  • Nonlinear programming
  • Plastic hinge
  • Shakedown analysis

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanical Engineering

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