I think the whole building would slide. Base isolation has a maximum amount of movement - limited by the isolators. There is nothing stopping these buildings from significant sliding. Is there anything specific in the code that requires building be anchored somehow to the earth beneath?
Doea anyone have experience analyzing timber cribbing for seismic forces? The cribs components are all connected with bolts and angles, and rigidly connected to the superstructure. However, the existing cribs themselves are just sitting on grade. I am concerned that as there is no positive...