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Unified elasto-plastic damage constitutive relations model for concrete(PDF)


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Unified elasto-plastic damage constitutive relations model for concrete
WU Jian-ying1 LI Jie2
1. School of Architecture, South China University of Technology, Guangzhou 510640, China; 2. School of Civil Engineering, Tongji University, Shanghai 200092, China
concrete damage mechanics constitutive model nonlinear analysis
On the basis of the PERZYNA-type viscous regulating of the damage energy release rate thresholds and the introducing of the visco-elastic-damage damping stress, the unified framework of the elasto-plastic damage model for concrete was proposed, which is capable of describing the typical nonlinear behaviors of concrete under various loading states and taking the damping into consideration on the material scale. The primary formulations and the corresponding numerical algorithm were presented in details. The simulation results of KOYNA dam demonstrate its effectiveness and capability of predicting the nonlinear responses of large concrete structures under static and dynamic loadings.


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Last Update: 2006-12-20