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author:

Su, J.Z. (Su, J.Z..) [1] | Xia, Y. (Xia, Y..) [2] | Zhu, L.D. (Zhu, L.D..) [3] | Zhu, H.P. (Zhu, H.P..) [4] | Ni, Y.Q. (Ni, Y.Q..) [5]

Indexed by:

Scopus

Abstract:

Wind loads and the associated load effects on supertall structures are key factors in structural design. 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. © 2017 Elsevier Ltd

Keyword:

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

Community:

  • [ 1 ] [Su, J.Z.]College of Civil Engineering, Fuzhou University, Fuzhou, China
  • [ 2 ] [Su, J.Z.]Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
  • [ 3 ] [Xia, Y.]Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
  • [ 4 ] [Zhu, L.D.]State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China
  • [ 5 ] [Zhu, H.P.]School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan, China
  • [ 6 ] [Ni, Y.Q.]Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

Reprint 's Address:

  • [Xia, Y.]Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong

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Source :

Engineering Structures

ISSN: 0141-0296

Year: 2017

Volume: 143

Page: 91-100

2 . 7 5 5

JCR@2017

5 . 6 0 0

JCR@2023

ESI HC Threshold:177

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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