ᐅ Building on a slope: What should the foundation look like?

How is the foundation for a planned house on a slope (approximately 20-degree incline, ground floor at street level, and a basement with living spaces embedded in the slope, with barrier-free access from the upper street side to the ground floor) typically constructed, assuming normal soil and water conditions?

Is it usually a strip foundation? Pad foundation? A special deep foundation slab?

The inhabited basement will be excavated into the slope on the street-facing side. The rear side will feature large window fronts facing the slope and will be backfilled.

I don’t fully understand your explanation.

For us, it’s the retaining wall in the slope made of waterproof concrete (WU concrete). The thickness of the base slab and the slope-side wall, as well as the reinforcement, were specified by the structural engineer. There is no point or strip foundation. That’s apparently not done for solid timber houses – that’s what I was told.
The floor slab between levels is also built thicker.

As far as I know, it depends on the soil report and the building method. The structural engineer determines how it is executed.

The quality of the ground conditions is at least as important as the slope situation. And this is about water drainage as much as load transfer.

No standard solutions.

---

https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/

Where are you building?