Uneven foundation, Rebuilding load wall
I have a garage structure build in 1930 that has a cracked foundation throughout. I understand that whatever I do, without demolishing the structure and repouring a new foundation, will call for further work later down the road.
I have a 20' load bearing wall that sits on a crack in the foundation that is about 1/8" thick. I can visually tell that there is about a 1/8" drop and slope where the crack is. Since the wall is damaged by termites on one end, upper and lower, I have decided to replace the wall structure.
If I jack the wall, use shore posts to support and remove the structure, would it be completely stupid if I framed out a 3 1/2" x 3 1/2" channel that is level and poured a concrete rise with j bolts? I thought that shimming the gaps would be easier but I don't have a comfortable feeling about going this route. My logic is that I feel a level concrete rise with rebar will provide a more rigid, stable temporary solution.
I am open to hear your suggestions and ideas!