[1]LIN Guoliang,FU Lei,CUI Jianwen,et al.Study on the Response of the Structural Seismic Response Array in Dali City to the 2021 Yangbi,Yunnan MS6.4 Earthquake[J].Journal of Seismological Research,2021,44(03):446-451.
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
44
Number of periods:
2021 03
Page number:
446-451
Column:
Public date:
2021-10-20
- Title:
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Study on the Response of the Structural Seismic Response Array in Dali City to the 2021 Yangbi,Yunnan MS6.4 Earthquake
- Author(s):
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LIN Guoliang1; 2; FU Lei1; CUI Jianwen2; ZHAO Kun2; YANG Liwei2; WANG Bangzhi2
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(1.Institute of Geophysics,China Earthquake Administration,Beijing 100081,China)(2.Yunnan Earthquake Agency,Kunming 650224,Yunnan,China)
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- Keywords:
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the Yangbi Earthquake; the structural seismic response array; response spectrum; earthquake damage
- CLC:
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P315.914
- DOI:
-
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- Abstract:
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In this paper,the significance of the structural seismic response array for the earthquake-resistant design of structure is briefly discussed,and the layout of the measuring points of the structural seismic response array in the building of the Management Committee of Dali Economic and Technological Development Zone is introduced.In addition,the strong-motion records obtained in the MS6.4 Yangbi earthquake event on May 21,2021 is summarized.The peak ground acceleration and the frequency spectrum of the strong motion records of the main shock and the MS≥5.0 after shocks are processed and analysed.The results show that the motions are amplified both in the horizontal and the vertical direction with the ascending of the building's floor.And as the magnitude increases,the amplification of the motions is more obvious.Meanwhile the natural frequency of the first vibration mode and the second vibration mode is respectively 0.48 Hz and 1.86 Hz.