Volume 3 Issue 1
Mar.  2010
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Yan ZHANG, Jian-fu SHAO. 2010: Elastoplastic cup model for cement-based materials. Water Science and Engineering, 3(1): 102-112. doi: 10.3882/j.issn.1674-2370.2010.01.011
Citation: Yan ZHANG, Jian-fu SHAO. 2010: Elastoplastic cup model for cement-based materials. Water Science and Engineering, 3(1): 102-112. doi: 10.3882/j.issn.1674-2370.2010.01.011

Elastoplastic cup model for cement-based materials

doi: 10.3882/j.issn.1674-2370.2010.01.011
Funds:  This work was supported by the National Natural Science Foundation of China (Grant No. 50808066) and the Scientific Research Foundation for Returned Overseas Chinese Scholars.
More Information
  • Corresponding author: Yan ZHANG
  • Received Date: 2010-04-02
  • Based on experimental data obtained from triaxial tests and a hydrostatic test, a cup model was formulated. Two plastic mechanisms, respectively a deviatoric shearing and a pore collapse, are taken into account. This model also considers the influence of confining pressure. In this paper, the calibration of the model is detailed and numerical simulations of the main mechanical behavior of cement paste over a large range of stress are described, showing good agreement with experimental results. The case study shows that this cup model has extensive applicability for cement-based materials and other quasi-brittle and high-porosity materials in a complex stress state.

     

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