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Volume 35 Issue 9
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CHEN Xing-zhou, LI Jian-lin, CHAI Jun-rui, BAI Jun-guang. Shear creep characteristics and constitutive model for interlayer shear belt of high abutment slopes[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(9): 1675-1682.
Citation: CHEN Xing-zhou, LI Jian-lin, CHAI Jun-rui, BAI Jun-guang. Shear creep characteristics and constitutive model for interlayer shear belt of high abutment slopes[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(9): 1675-1682.
shu

Shear creep characteristics and constitutive model for interlayer shear belt of high abutment slopes

  • 1. College of Hydroelectric Engineering, Xi'an University of Technology, Xi'an 710048, China; 2. College of Civil Engineering and Architecture, China Three Gorges University, Yichang 443002, China; 3. Northwest Hydro Consulting Engineering, CHECC, Xi'an 710065, China

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  • Received Date: April 09, 2013
  • Published Date: September 21, 2013
    Graphical Abstract
    • Abstract
  • The creep characteristics and damage properties of interlayer shear belt of high abutment slopes affect the long-term stability of high dam projects. The shear creep mechanic characteristics of interlayer shear belt are studied based on the shear creep mechanic test, and the long-term shear strength parameters, accelerated creep properties and change rules of shear creep rate are analyzed. By analyzing the rules of creep damage evolution of interlayer shear belt, the damage degradation effects of mechanical parameters over time and over accelerated creep are discussed. Based on the Nishihara creep model and the creep damage evolution equations, a creep damage model is proposed to reflect the creep damage process of interlayer shear belt of slopes completely. The comparison between the calculated results of creep damage model and the test results show that the proposed creep damage model for interlayer shear belt of slopes is available and reasonable.
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