Hi,
I am doing Plane strain 2D simulation of GRPS embankment in ABAQUS, i encountered a problem that results of with geogrid and without geogrid both are showing same deflection. the interface soil-geogrid interaction is done by node to surface discretization with small sliding and constraint id done by embedded. Also, pile interaction property is given by self contact. I prepared just half model and applied axisymmetric. Could you please give me some ideas asap that can effectively useful to solve this issues………Thank You.

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