I am modeling a prestressed concrete slab strengthened with NSM FRP strips using ABAQUS
I'm experiencing early debonding at a lower load than the experimental results
I'm modelling the contact between the FRP and concrete using cohesive behavior with damage model
I want to know what could be the reason for this and any idea to have more accurates results
Thanks in advance
The pushover curves (base shear- drift curves) depend on a lot of input parameters such as dimensions of the section and member, sizes of reinforcements, characteristic strength of concrete, yield strength of steel, Poison ratio, shear and elasticity modulus,.....Therefore I recommend you, first to check the inputs, if they are correctly implemented you may do a parametric study and by changing the parameters one-by-one you will observe the variation and you can judge that your application was right or wrong, your expectation was a real expectation or not.
I wish you the best of luck.
please check the cohesive parameter value and the concrete properties.
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