• 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 4
Aug.  2007
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Article Contents
ZHAN Yongxiang, JIANG Guanlu, NIU Guohui, WEI Yongxing. Model Test Investigation of Pile-Plank Embankment of Ballastless Truck for High-Speed Railway[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 400-403,408.
Citation: ZHAN Yongxiang, JIANG Guanlu, NIU Guohui, WEI Yongxing. Model Test Investigation of Pile-Plank Embankment of Ballastless Truck for High-Speed Railway[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 400-403,408.

Model Test Investigation of Pile-Plank Embankment of Ballastless Truck for High-Speed Railway

  • Received Date: 17 Aug 2006
  • Publish Date: 25 Aug 2007
  • To study the dynamic performance of pile-plank embankment for high-speed ballastless track under a moving load,by taking Suiyu-Chongqing high-speed railway as the research object,a model test with a geometry scale of 1:12 was carried out.The test results indicate that after 10 000 times of vibrant loading,the dynamic response of the embankment remains constant.Amplitude of acceleration response is influenced by loading frequency and loading position and decreases with the increase of vertical depth.Dynamic stresses are affected significantly by loading position,but less affected by loading frequency.Pile structure expands the depth of the dynamic response of subgrade.

     

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