Advanced flexibility-based element allowing for member imperfection and shear deformation

Zhi Xia Ding, Zuo Lei Du, Yao Peng Liu, Siu Lai Chan

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

Abstract

In this paper, a new flexibility-based beam-column element, allowing for the interaction of shear effects and initial imperfection, is proposed. The element is formulated with Hellinger-Reissner function and locking-free with exact force interpolation functions. An extended displacement interpolation based on the curvature and shear strain is adopted to account for shear deformation. The member imperfection is considered along with the member length, and only one-element-per-member is required for structural analysis to achieve reasonable and accurate solutions. The distributed plasticity is taken into account by fiber section approach. Two numerical examples demonstrate the accuracy and efficiency of the proposed element.

Original languageEnglish
Title of host publicationProceedings of the 9th International Conference on Advances in Steel Structures, ICASS 2018
EditorsSiu Lai Chan, Tak-Ming Chan, Songye Zhu
PublisherHong Kong Institution of Steel Construction
ISBN (Electronic)9889914093, 9789889914097
DOIs
Publication statusPublished - Dec 2018
Event9th International Conference on Advances in Steel Structures, ICASS 2018 - Hong Kong, China
Duration: 5 Dec 20187 Dec 2018

Publication series

NameProceedings of the 9th International Conference on Advances in Steel Structures, ICASS 2018

Conference

Conference9th International Conference on Advances in Steel Structures, ICASS 2018
CountryChina
CityHong Kong
Period5/12/187/12/18

Keywords

  • Beam column element
  • Direct analysis
  • Elastoplastic analysis
  • Member imperfection
  • Shear effects

ASJC Scopus subject areas

  • Metals and Alloys
  • Civil and Structural Engineering

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