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Direct Tensile Performance of UHPCC Element Based on Damage Mechanics

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Abstract:

Direct uniaxial tension test of ultra high performance cementitious composites I shape specimens have been investigated in this paper. A nonlinear analytical model based on continuum damage mechanics is developed to characterize tensile stress-strain constitutive response of UHPCC. Basic governing equations of damage evolution and material constitutive relation are established considering random damage which conforms to a modified Weibull type distribution proposed in this paper. Calculation suggests that Weibull distribution can describe damage evolution of UHPCC and predict the constitutive relation and damage evolution equation.

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Periodical:

Key Engineering Materials (Volumes 348-349)

Pages:

829-832

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.348-349.829

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Online since:

September 2007

Authors:

Sang Mook Han, Xiang Guo Wu, Sung Wook Kim, Su Tae Kang

Keywords:

Concrete, Damage Mechanics, Ultra High Performance, Weibull Distribution

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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