It is recommended that footings in the Wisconsin area be 48" for most buildings. This is because of the deep frost that can occur in harsh Wisconsin winters.
Bldg code requirements vary with locale.
Footings will differ based upon the type of project. Most footings, if building a deck for example, should be about six feet apart.
The usual formula is this; for every foot above ground you put 1/2 foot in the ground.
This would be calculated by how much weight is above the footings.
Footing for chimneys should usually be double the width of the concrete block. For example, an 8-foot concrete block should have a 16-foot wide footing.
B/3
Generally, footings will be founded on soil or rock head below any made ground, usually on or in the first soil strata that has been established to provide suitable bearing capacity.
Stepping footings on a sloping site allows the foundation to follow the natural slope of the land, providing better structural support and stability. It helps distribute the weight of the building evenly and prevents uneven settling or shifting of the foundation. This ensures that the building remains level and avoids structural issues in the future.
Most don't get over six feet
It is a foot to the second power
Absolutely. I grew up in Wisconsin and it is a wonderful place.
Isolated footings are constructed invidually & Mat foundation is making of mat and connecting all footings with this mat