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作者:

Zhang, Zhi (Zhang, Zhi.) | Li, Xiaojun (Li, Xiaojun.) (学者:李小军) | Lan, Riqing (Lan, Riqing.)

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摘要:

Focusing on a small radius curved bridge, the shaking table test of a 1/16 scaled model considering pile-soil-bridge structure dynamic interaction was accomplished. The model design and implementation of the shaking table tests were demonstrated. The vibration response of pile-soil-bridge structure was obtained preliminarily using test data and observed phenomena, and the failure features and modes of the scaled model were investigated. The results showed that the frequencies were in a downtrend but damping ratios tended to increase with the intensity of input ground motion; from the bottom of pile to the bridge deck, acceleration responses of structure tended to increase; the strain and dynamic soil pressure amplitudes of pile top were maximum, and the strain of pier column was larger than pile; torsion phenomenon was observed in the test, and a series of earthquake damage phenomena, such as girder falling, bearing failure, crack penetration and local concrete crushing, were demonstrated during the test. © 2019, Editorial Office of Journal of Vibration and Shock. All right reserved.

关键词:

Bridges Dynamic response Earthquake effects Piles Seismic response Soils

作者机构:

  • [ 1 ] [Zhang, Zhi]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Li, Xiaojun]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Li, Xiaojun]Institute of Geophysics, China Earthquake Administration, Beijing; 100081, China
  • [ 4 ] [Lan, Riqing]Institute of Geophysics, China Earthquake Administration, Beijing; 100081, China

通讯作者信息:

  • 李小军

    [li, xiaojun]institute of geophysics, china earthquake administration, beijing; 100081, china;;[li, xiaojun]college of architecture and civil engineering, beijing university of technology, beijing; 100124, china

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来源 :

Journal of Vibration and Shock

ISSN: 1000-3835

年份: 2019

期: 4

卷: 38

页码: 95-102

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 2

ESI高被引论文在榜: 0 展开所有

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