Acta Mechanica Solida Sinica

, Volume 29, Issue 5, pp 514–526 | Cite as

The Three-Stage Model Based on Strain Strength Distribution for the Tensile Failure Process of Rock and Concrete Materials

  • Rukun Guo
  • Shihai Li
  • Dong Zhou


A three-stage model is introduced to describe the tensile failure process of rock and concrete materials. Failure of the material is defined to contain three stages in the model, which include elastic deformation stage, body damage stage and localization damage stage. The failure mode change from uniform body damage to localization damage is expressed. The heterogeneity of material is described with strain strength distribution. The fracture factor and intact factor, defined as the distribution function of strain strength, are used to express the fracture state in the failure process. And the distributive parameters can be determined through the experimental stress-strain curve.

Key Words

three-stage constitutive model tensile failure distribution of strain strength fracture factor rock and concrete 


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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2016

Authors and Affiliations

  1. 1.Institute of MechanicsChinese Academy of SciencesBeijingChina

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