|Table of Contents|

[1] Lu Zheng, Yan Deyu, Zhou Mengyao, et al. Vulnerability analysis of a complex super high-rise connected structure under the combined action of earthquake and wind [J]. Journal of Southeast University (English Edition), 2024, 40 (1): 13-23. [doi:10.3969/j.issn.1003-7985.2024.01.002]
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Vulnerability analysis of a complex super high-rise connected structure under the combined action of earthquake and wind()
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
40
Issue:
2024 1
Page:
13-23
Research Field:
Civil Engineering
Publishing date:
2024-03-20

Info

Title:
Vulnerability analysis of a complex super high-rise connected structure under the combined action of earthquake and wind
Author(s):
Lu Zheng1;  2;  Yan Deyu1;  Zhou Mengyao1;  Zhao Xin3;  Zhao Yiqing4
1Department of Disaster Mitigation for Structures, Tongji University, Shanghai 200092, China
2State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
3Tongji Architectural Design(Group)Co., Ltd., Shanghai 200092, China
4China Overseas Development Group Co., Ltd., Shenzhen 518048, China
Keywords:
super high-rise;  connected structure;  multi-hazard;  vulnerability;  earthquake;  wind load;  combined action;  Suzhou Supertall
PACS:
TU973.2
DOI:
10.3969/j.issn.1003-7985.2024.01.002
Abstract:
To explore the design and safety performance of super high-rise connected structures under the combined action of multiple disasters, taking Suzhou Supertall as an example, a vulnerability analysis is conducted under the combined earthquake-wind actions. First, the structure’s finite element model is established. Then, vulnerability assessments are conducted under individual earthquake and combined earthquake-wind actions. Finally, the response law of the structure is obtained. Results indicate that when exposed to combined earthquake-wind actions, the structure’s vulnerability increases with the earthquake and wind intensities, and the seismic action dominates structural damage. The probabilities of moderate, severe, and collapse damages are higher under the combined earthquake-wind actions than those under individual earthquakes. When the wind speed reaches 40 m/s, the probabilities of the structure reaching three failure states under rare earthquakes are 99.77%, 91.56%, and 46.54%, respectively, representing an increase of 1.11%, 10.73% and 14.65% compared with those under rare earthquakes alone and an increase of 0.27%, 6.26% and 14.34% compared with those of a typical high-rise connected structure under the same combined action of disasters.

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Memo

Memo:
Biography: Lu Zheng(1982—), male, doctor, professor, luzheng111@tongji.edu.cn.
Foundation item: National Key Research and Development Program of China(No. 2022YFC3803000).
Citation: Lu Zheng, Yan Deyu, Zhou Mengyao, et al. Vulnerability analysis of a complex super high-rise connected structure under the combined action of earthquake and wind[J].Journal of Southeast University(English Edition), 2024, 40(1):13-23.DOI:10.3969/j.issn.1003-7985.2024.01.002.
Last Update: 2024-03-20