The soil below the area is solid rock, as is the case with the entire structure. And the area is less than 5% of the total building area. So those facts make me comfortable with the global settlement concern.
It is sounding like I either have settlement, or I build a new floor system instead.
The space below the floor serves no useful purpose. A small amount of water migrates through the wall in a few locations and drains out a hole at the bottom that can be left in place. The hole is concrete on all 4 sides and below, global settlement is not an issue. I could construct a steel...
I'm looking at the feasibility of filling in a concrete structure instead of replacing the rotting floor system. My idea was to fill with gravel and top it with a concrete slab at the existing floor level. The fill is pretty deep though, 17 feet. Even using the most suitable free draining...
