A Novel Constitutive Model for Concrete under Uniaxial Compression

Jin Long Pan; Jia Jia Zhou; Zongjin Li; Christopher K.Y. Leung

doi:10.4028/www.scientific.net/MSF.650.47

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HomeMaterials Science ForumMaterials Science Forum Vol. 650A Novel Constitutive Model for Concrete under...

A Novel Constitutive Model for Concrete under Uniaxial Compression

Abstract:

In this paper, a novel constitutive model of concrete has been proposed by introducing a new parameter, namely, cracking Poisson’s ratio (νcr), to account for the effect of localization due to cracking. By fitting the curve between the dimensionless strain (ε/εpr) and cracking Poisson’s ratio (νcr), νcr can be expressed as an 3rd order polynomial function of dimensionless longitudinal strain (ε/εpr). The constitutive model for the softening regime can then be proposed with the parameters of dimensionless strain and cracking Poisson’s ratio. Finally, Validity of the proposed model is verified by the test results of cylinder specimens of C30.

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Periodical:

Materials Science Forum (Volume 650)

Pages:

47-55

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.650.47

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Online since:

May 2010

Authors:

Jin Long Pan, Jia Jia Zhou, Zongjin Li, Christopher K.Y. Leung

Keywords:

Concrete, Constitutive Model, Cracking Poisson's Ratio, Softening Behavior

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References

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