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作者:

Li, Shuang (Li, Shuang.) | Zhou, Hongyuan (Zhou, Hongyuan.) (学者:周宏元) | Liu, Xiangyang (Liu, Xiangyang.) | Jia, Junfeng (Jia, Junfeng.) (学者:贾俊峰)

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EI CSCD

摘要:

The 211 pulse-like ground motions are used to develop the actual near-fault response spectra with confidential intervals of 50% (average spectrum) and 84% (average spectrum +1 standard deviation spectrum). Results given by the comparison of the actual near-fault response spectra and the code-specific near-fault design spectra in China show that the code-specific design spectra can't fit well with the actual near-fault response spectra in both the spectral amplitude and the shape. A modification method for the code-specific design spectra with consideration of the near-fault effects on spectral amplitude and characteristic period is proposed, the formulas of design spectra are given and design advices for structures in near-fault regions are provided. It seems that the code-specific seismic design spectrum in China can be used as near-fault seismic design spectra with an 84% confidence interval if the spectral amplitude is amplified by 1.5 times and the characteristic period is restricted to no less than 0.75 s (frequent earthquake) or 0.80 s (rare earthquake). The proposed seismic design spectra are useful to the design of structures in near-fault regions. © 2020, Editorial Office of Journal of Building Structures. All right reserved.

关键词:

Codes (standards) Earthquakes Faulting Rare earths Seismic design

作者机构:

  • [ 1 ] [Li, Shuang]Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin; 150090, China
  • [ 2 ] [Li, Shuang]Key Laboratory of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin; 150090, China
  • [ 3 ] [Zhou, Hongyuan]Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin; 150090, China
  • [ 4 ] [Zhou, Hongyuan]Key Laboratory of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin; 150090, China
  • [ 5 ] [Liu, Xiangyang]Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin; 150090, China
  • [ 6 ] [Liu, Xiangyang]Key Laboratory of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin; 150090, China
  • [ 7 ] [Jia, Junfeng]The Key Laboratory of Urban Security and Disaster Engineering of the Ministry of Education, Beijing University of Technology, Beijing; 100124, China

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来源 :

Journal of Building Structures

ISSN: 1000-6869

年份: 2020

期: 2

卷: 41

页码: 7-12

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 9

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