Simulation of Expansive Stress in Cement-Based Materials Subjected to Sulfate Attack

Guang Ji Yin; Xiao Bao Zuo; Xiang Hua Sun; Yu Juan Tang

doi:10.4028/www.scientific.net/AMR.952.165

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 952Simulation of Expansive Stress in Cement-Based...

Simulation of Expansive Stress in Cement-Based Materials Subjected to Sulfate Attack

Abstract:

For the volume expansive of cement-based materials subjected to sulfate attack, based on microporous mechanics, the model of representative volume element (RVE) is established to analyze the distribution of microcosmic expansive stress in RVE. By homogenization method, the macroscopic equivalent stress of RVE is analyzed. The results show: on the microcosmic scale, the stress of internal sphere in RVE in all directions is compressive, and the radial stress of spherical shell is compressive, but the hoop stress is tensile; on macroscopic scale, the radial equivalent stress is compressive, the hoop equivalent stress is tensile.

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Periodical:

Advanced Materials Research (Volume 952)

Pages:

165-168

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.952.165

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Online since:

May 2014

Authors:

Guang Ji Yin, Xiao Bao Zuo*, Xiang Hua Sun, Yu Juan Tang

Keywords:

Cement-Based Material, Crystallization Stress, Equivalent Stress, Mechanics Analysis Model, Sulfate Attack

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