How to model retrofitting of concrete beams;

[Petran87]

For my final year project i have to produce concrete beams and then retrofit them with Ultra High Performance Fiber Reinforced Cemintitious Composite. I want to ask how i can model the retrofitted beam or if someone can give me some guidelines to describe this procedure.

 

[engidude]

Regular beam design/ rating porgrams may not able to model it.( it would not allow you to input more than one material)
how about ANSIS,ABAQUS?

 

[structE1973]

If you decide to use more than one materials to model it, you shall also consider the relative slip between them, in order to be able to design the reinforcement. Such modelling principles are very difficult, with great non-linearitites and should be carried out with attention.

Structural Engineer, PhD
Structural engineering software

 

[stressed]

As a practical matter, I don't believe engineers typically account for nonlinear contact between the beams and composite material. It would be good to know what the vendor of this composite recommends for structural analysis modeling.