State of the Art of Constitutive Model of Concrete Materials Based on Damage Mechanics

Abstract:

This study centered on the development of constitutive model of the material based on damage mechanics. Volumetric expansion, unilateral behavior and softening effect have been pointed out as three difficulties during setting constitutive model of concrete, the applicable and deficiency of the existed constitutive relationship been reviewed, and the methods used to deal above difficulties were overviewed, Meanwhile, the background of existed model has been summarized and listed systematically. The development of a thermodynamic approach to constitutive model of concrete, with emphasis on the rigorous and consistency both in the formulation of constitutive models and in the identification of model parameters based on experimental tests has been potential direction of the future study, and hoped furnished basement for the elastic to plastic coupled damage mechanics constitutive model of concrete.

• Periodical: Advanced Materials Research (Volumes 194-196)
• Pages: 848-852
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.194-196.848
• Online since: February 2011
• Authors: Duo Xin Zhang, Qing Yun Wang
• Keywords: Concrete, Constitutive Model, Damage Mechanics, Thermodynamic Approach

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