Can any one explain how to calculate the values of tension stiffening curve for abaqus input (concrete damaged plasticity)???

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Muhammad Ajmal

Dear Raghav,

There are many tension stiffening models available in literature. You can get tension stiffening stress strain curve from CEB manual, Gupta et. al. model or using Kwak model. Please find attached file which will help you getting Tension stiffening curve. Regarding the damage parameters you can use the work of V. Birtel and P. Mark. Please find the attached file.

Thanks

Best regards