• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 20 Issue 5
Oct.  2007
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Article Contents
JIAO Changzhou, GAO Bo, WANG Guangdi. Vibration Analysis of Noise Barrier Structures Subjected to Train-Induced Impulsive Wind Pressure[J]. Journal of Southwest Jiaotong University, 2007, 20(5): 531-536.
Citation: JIAO Changzhou, GAO Bo, WANG Guangdi. Vibration Analysis of Noise Barrier Structures Subjected to Train-Induced Impulsive Wind Pressure[J]. Journal of Southwest Jiaotong University, 2007, 20(5): 531-536.

Vibration Analysis of Noise Barrier Structures Subjected to Train-Induced Impulsive Wind Pressure

  • Received Date: 07 Nov 2006
  • Publish Date: 25 Oct 2007
  • A numerical analysis of the dynamic response,induced by the impulsive wind pressure of trains,of noise barrier structures with stop plank was conducted by using ANSYS software and considering the interaction of pile,soil and structure.The dynamic characteristics of noise barrier structures were investigated by analyzing the effects of the type and speed of trains and the length and height of the structures.The reasonable parameters were provided for the design of the structures for a high-speed railway.The research shows that compared with a CRH3 train,a CRH2 train will result in a greater displacement and bending moment of props of a noise barrier structure,respectively with a increase of 18.6% and 8.5%.The displacement and the bending moment increase significantly with a nonlinear relationship with the increases of train speed and structure height.Under the condition that the length of a noise barrier structure is smaller than 120 m,the displacement and the bending moment increase with the increasing of the length,and then decrease and trend toward stable values.

     

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