https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/123877/shear-wall-designGood Day fellow colleagues, I have tested two models to complete a shear wall design using staad pro. In one model I included only the shear walls, beams and columns and in the other model I included all of the above mentions elements plus the slaben-USTelligent Community 12https://communities.bentley.com/thread/376057?ContentTypeID=1Mon, 18 Jul 2016 18:48:11 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:a9047294-2d87-4b3d-a467-0c378a57c763Gilbert Fontenard<p>Hi Sye,</p> <p>here are the two models if you wish to take a better look.</p> <p></p> <p><a href="https://communities.bentley.com/cfs-file/__key/communityserver-discussions-components-files/5932/wall.zip">communities.bentley.com/.../wall.zip</a></p><div style="clear:both;"></div>https://communities.bentley.com/thread/376051?ContentTypeID=1Mon, 18 Jul 2016 18:15:39 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:21ffbd01-6271-46dc-add4-a70cc3abb7d7SyeIt is difficult to tell what is the exact cause without looking at the models but here are some pointers. The slab would help in reducing the out of plane bending of the beams/columns and shear walls and so I would expect lesser moments in the wall when the slab is modeled. Defining the gravity loads using floor loads or plate pressure load should not make much difference as far as this issue is concerned. Ensure that there is proper connectivity between the shear wall and the beam/column/slab so that the load distribution is correct.<div style="clear:both;"></div>