Hi there, i am modelling a precast reinforced concrete column with corbel where an precast beam is then placed on the corbel and then joined together with insitu concrete. However, i am having trouble on what interaction to use between the precast concrete and postcast concrete. I have tried tie constraint but the structure the connection becomes too rigid. I believe i need to use cohesive behavior and damage in the surface to surface interaction for the interaction between insitu concrete and postcast concrete(please correct me if i am wrong).However, i do not what values to use or how to get the values needed in the cohesive behaviour and damage section. I hope someone can guide me on how to get the values needed to define the cohesive behaviour and the damage section or if someone can provide me with some example values, i will be really grateful.
Thank you,
Farooq
the interaction behavior of concrete-to-concrete can give a hint.
Conference Paper SHEAR CONNECTORS ON CONCRETE-TO-CONCRETE INTERFACE SURFACES:...
https://imechanica.org/node/7113
https://kth.diva-portal.org/smash/get/diva2:1088160/FULLTEXT01.pdf
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