• ISSN 0258-2724
  • CN 51-1277/U
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Volume 15 Issue 5
Oct.  2002
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Article Contents
ZHONG Hui-hong, TANG Kang-min, HUANG Mao-song. Dynamic Performance of Clayey Railroad Subgrade[J]. Journal of Southwest Jiaotong University, 2002, 15(5): 488-491.
Citation: ZHONG Hui-hong, TANG Kang-min, HUANG Mao-song. Dynamic Performance of Clayey Railroad Subgrade[J]. Journal of Southwest Jiaotong University, 2002, 15(5): 488-491.

Dynamic Performance of Clayey Railroad Subgrade

  • Publish Date: 25 Oct 2002
  • A series of tests are conducted in laboratory and field to investigate the behavior of compacted clayey railroad subgrade subjected to repeated loading of to-and-fro trains. Using the test results, the stress-strain behavior of the subgrade was quantitatively studied, and the causes of diseases in subgrade were analyzed. Results show that the accumulated plastic deformation in fill- subgrade produced by the repeated action of trains wheel-set load is closely related to the saturation of subgrade soil. Specifically, the dynamic strength of subgrade soil decreases sharply with the saturation.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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