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Volume 35 Issue zk2
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GAO Guang-yun, WANG Fei, ZHAO Hong, ZHAO Yuan-yi. Analysis on dynamic response and ground vibration isolation by group pile in layered ground[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 1108-1112.
Citation: GAO Guang-yun, WANG Fei, ZHAO Hong, ZHAO Yuan-yi. Analysis on dynamic response and ground vibration isolation by group pile in layered ground[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 1108-1112.
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Analysis on dynamic response and ground vibration isolation by group pile in layered ground

  • 1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 3. Shanghai Strong Foundation Engineering Co., Ltd., Shanghai 200233, China

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  • Received Date: June 14, 2013
  • Published Date: November 24, 2013
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    • Abstract
  • Based on the basic equations of elastodynamics and FEM, the time-domain integration by the Newmark method is used to handle the response of dynamic model, and the sub-structure condensed method is introduced to solve the boundary condition. The attenuation characteristics of ground vibrations in the upper-soft lower-hard ground and in the upper-hard lower-soft ground without pile group are analyzed. The dynamic responses of group piles and the ground near the piles are also calculated in the upper-soft lower-hard ground. The characteristics of frequency spectra for the ground vibration with group piles are analyzed. It is shown that the ground vibration isolation by group piles is noticeable.
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    • References (9)
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