Analytical formulation of the temperature-induced deformation of multispan suspension bridges

Yi Zhou, Yong Xia, Zhen Sun, Yozo Fujino

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

This study proposes analytical formulas of the temperature-induced displacements that can be applied to general suspension bridges with any number of spans. The analytical formulas take account of the tower lateral stiffness and the elastic deformation of cables caused by the tension changes, which have not been studied in previous studies. The derived formulas are validated by the field monitoring data of the four-span Maanshan Yangtze River Bridge. A succinct unified one-dimensional formula is further derived for practical use. This study enables engineers to better understand the behaviour of suspension bridges and to predict the thermal deformation in a simple, generalized way.

Original languageEnglish
Article numbere2937
JournalStructural Control and Health Monitoring
Volume29
Issue number6
DOIs
Publication statusPublished - Jun 2022

Keywords

  • analytical model
  • cable elastic deformation
  • multispan suspension bridge
  • sag effect
  • thermal deformation

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials

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