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Hi
I am doing seismic analyses on a concrete building. I have defined stories and core walls.
When I apply the self weigth of the structures only I got Fx and Fy forces in the core walls and the supports.
The same happens if I apply the live load or snow separately.
I did not expect to get any horisontal forces since the self weight, live load or snow are vertical forces.
Is this correct? Does anyone have a solution?
Simple example - look at forces, shear force diagram, FX reactions.