I want to modelling a masonry that is strenghtened with embedding FRP bars in horizontal joints. Loading will be done in diagonal direction.
Which modeling technique would you recommend? Micro model, simplfy micro model or macro model?
By using a simplified micro model, I planned to arrange the bricks as 3D continuous elements and to define the cohesive surface without using separate elements for the mortar.
However, in this case, I couldn't find how to add FRP bar elements to the system.
I would be very happy if you could share your ideas, suggestions and experiences.
Good work everyone
I would recommend macro model since the micro model has numerous issues. The properties of the material for macro model can be calibrated with experimental results. Please look at the following article:
Article Shear Behavior of Masonry Specimens Strengthened with Aramid...
Dear Izzet,
If you are planning for the simplified micro model, I will suggest using the FRP strengthened masonry properties as the brick unit properties. As you will model the mortar as a cohesive surface, no need to model the separate FRP rods. Otherwise, you will be needing lots of input properties.
Another option is to model each layer with different cohesive properties if you have all these material inputs.
Regards,
Bonisha.
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