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Wang Gui jun, Sun Wen ruo. Analysis  of  the  Creep  Behaviour  of  Kieselguhr[J]. Chinese Journal of Geotechnical Engineering, 1996, 18(6): 59-64.
Citation: Wang Gui jun, Sun Wen ruo. Analysis  of  the  Creep  Behaviour  of  Kieselguhr[J]. Chinese Journal of Geotechnical Engineering, 1996, 18(6): 59-64.

Analysis  of  the  Creep  Behaviour  of  Kieselguhr

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  • Published Date: November 24, 1996
  • Kieselguhr  is  texturally  friable  and  soft,  abundant  in  stratification,  and  small  in strength.    The  results  of  the  uniaxical  compression  creep  test  show  that  the  creep  deformation  of  kieselguhr  is  very  large  and  the  long  term  strength  is  substantially  smaller  than  the  instantaneous  strength.    The  regression  analyses  of  the  test  data  based  on  different  mathematical  mechanical  models  give  very  effective  results.    Study  indicates  that  the  computation  is  simple  according  to  logarithm  equation  and  the  creep  behaviour  of  the  material  conforms  to  a  elastic  viscoelastic  viscoplastic  rheological  model.    The  polynomical  progressive  regression  analysis  developed  in  this  paper  can  imitate  the  creep  law  of  kieselguhr  very  well  in  the  third  accelerating  creep  stage.
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