Sectional response of T-shaped RC walls

Eleni Smyrou, Timothy Sullivan, Nigel Priestley, Michele Calvi

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Deformation quantities such as strain, curvature and displacement are of paramount importance in seismic design within a performance-based procedure that aims to control the structural response at predefined levels of inelastic action. Given the importance of curvature expressions independent of strength for the design process, and for the particular case of T-shaped walls, the curvature trends at yield, serviceability and ultimate limit state are determined in graphical and analytical form. The comprehensive set of equations proposed in this work are strength independent and allow the reliable computation of limit-state curvatures, essential in a displacement-based design approach, and thus the realistic estimation of appropriate ductility factors in the design of T-shaped walls. Furthermore, results regarding the section properties of T-shaped walls, such as the elastic stiffness and the moment capacity for opposite directions of loading, offer additional information on T-shaped walls.
Original languageEnglish
Pages (from-to)999-1019
JournalBulletin of earthquake engineering
Volume11
Issue number4
DOIs
Publication statusPublished - Aug 2013

Keywords

  • displacement-based design
  • ductility capacity
  • limit-state curvatures
  • sectional analysis

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