Typhoon- and temperature-induced quasi-static responses of a supertall structure

J. Z. Su, Yong Xia, L. D. Zhu, H. P. Zhu, Yiqing Ni

Research output: Journal article publicationJournal articleAcademic researchpeer-review

11 Citations (Scopus)

Abstract

In practice, typhoon-induced quasi-static responses measured from the field mix with temperature-induced responses because temperature varies significantly during a typhoon event. The mixed responses complicate the assessment of the wind loading effects and the separation of the two load effects is difficult in practice. In this study, the wind- and temperature-induced quasi-static responses of the 600 m-tall Canton Tower are investigated using a comprehensive long-term structural monitoring system installed on the structure. The structural responses (stresses and displacement) obtained from the field monitoring system during a strong typhoon are presented. The temperature-induced responses are calculated by applying a temperature loading model to the finite element model of the structure. The purely typhoon-induced quasi-static responses are then separated from the total measured responses by subtracting the temperature-induced ones. It shows that the typhoon-induced quasi-static responses of the supertall structure are slightly smaller than the temperature-induced responses in a typical sunny day. The typhoon-induced quasi-static displacement obtained from the field is also compared with the counterpart from the wind tunnel test on an aeroelastic model of the full tower.
Original languageEnglish
Pages (from-to)91-100
Number of pages10
JournalEngineering Structures
Volume143
DOIs
Publication statusPublished - 15 Jul 2017

Keywords

  • Field monitoring
  • Quasi-static response
  • Supertall structure
  • Temperature effect
  • Wind effect

ASJC Scopus subject areas

  • Civil and Structural Engineering

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