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GUAN Yan-bin, XIAO Jun-hua, CHEN Jian-guo. Dynamic characters of compacted silt under cyclic load[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 28-31. doi: 10.19818/j.cnki.1671-1637.2009.02.006
Citation: GUAN Yan-bin, XIAO Jun-hua, CHEN Jian-guo. Dynamic characters of compacted silt under cyclic load[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 28-31. doi: 10.19818/j.cnki.1671-1637.2009.02.006
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Dynamic characters of compacted silt under cyclic load

doi: 10.19818/j.cnki.1671-1637.2009.02.006
  • 1.

    School of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China

  • 2.

    School of Civil Engineering, Nanjing University of Technology, Nanjing 210009, Jiangsu, China

  • 3.

    School of Civil Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, Hebei, China

More Information
  • Author Bio:

    GUAN Yan-bin(1974-), male, lecturer, PhD, +86-10-67396960, guanyb163@163.com

  • Received Date: 2008-11-08
  • Publish Date: 2009-04-25
    Abstract
  • In order to investigate the dynamic characters of compacted silt under cyclic load, the variations of its dynamic stress and water content were considered. The cumulative plastic deformation, resilient modulus and critical dynamic stress of compacted silt were studied based on stress-controlled dynamic triaxial test in laboratory. Test result shows that the cumulative deformation of compacted silt is closely related with its dynamic stress and water content. The higher its dynamic stress is, the faster the growth speed of its cumulative deformation with the increase of its water content is. The resilient modulus of compacted silt decreases gradually with the increase of its dynamic stress, and decreases linearly with the increase of its water content. Its critical dynamic stress of compacted silt also decreases linearly with the increase of its water content.

     

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