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author:

Su, J. Z. (Su, J. Z..) [1] (Scholars:苏家战) | 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:

EI Scopus SCIE

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. (C) 2017 Elsevier Ltd. All rights reserved.

Keyword:

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

Community:

  • [ 1 ] [Su, J. Z.]Fuzhou Univ, Coll Civil Engn, Fuzhou, Peoples R China
  • [ 2 ] [Su, J. Z.]Hong Kong Polytech Univ, Dept Civil & Environm Engn, Kowloon, Hong Kong, Peoples R China
  • [ 3 ] [Xia, Y.]Hong Kong Polytech Univ, Dept Civil & Environm Engn, Kowloon, Hong Kong, Peoples R China
  • [ 4 ] [Ni, Y. Q.]Hong Kong Polytech Univ, Dept Civil & Environm Engn, Kowloon, Hong Kong, Peoples R China
  • [ 5 ] [Zhu, L. D.]Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai, Peoples R China
  • [ 6 ] [Zhu, H. P.]Huazhong Univ Sci & Technol, Sch Civil Engn & Mech, Wuhan, Peoples R China

Reprint 's Address:

  • [Xia, Y.]Hong Kong Polytech Univ, Dept Civil & Environm Engn, Kowloon, Hong Kong, Peoples R China

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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 Discipline: ENGINEERING;

ESI HC Threshold:177

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 19

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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