Slab on Grade
Raft slabs - how to build insulated frost protected shallow foundations (FPSF) on problem soils
...soil conditions (disturbed soil, expansive soils, low-bearing capacity, high water tables, etc.) traditionally require significant investment in drainage, soil replacement and compaction before an engineer will approve a project.
Add the potential for frost heave in cold climates into the equation, and it's easy to und...
