I find that the cube and Resing Grout are assigned a material of Structural Steel.
You should always insert a Contact Tool whenever you use Contact in your model. The contact tool shows the contacts are far open.
That is because there is no hole in the cube or the resin grout and why the nut is being pulled out to an enormous distance.
There are also two extra bodies in the simulation that don't belong. They should be suppressed. I imagine those are the bodies you meant to Boolean Subtract from the cube and resin grout to create the holes, but that is not what you have. Your archive doesn't include C:UsersmyDocumentspullouttest6.iges so I can't fix that for you.
Fix the above problems and try again. But this time, open the Geometry in DesignModeler and it will be saved in the Archive.
Tip: You can have one pressure BC and pick 4 faces, since pressure always acts normal to the surface.
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