Maybe semantics but I don't really think of that as a pole structure anymore. When I think of a pole structure, I think of continuous poles that extend into th

Maybe semantics but I don't really think of that as a pole structure anymore. When I think of a pole structure, I think of continuous poles that extend into the ground. Almost all of your sway strength is dependent on a continuous member going below ground level and most of the economies of a pole structure are realized by not building the footing all the way around. That said, if you are not bound by seismic it is perfectly reasonable and I agree with you - Brettstapel[1] columns, such as sistered 2x6, would be just fine. From your link - here is what I would think of as a pole structure: https://permacolumn.com/products/perma-column-system.html https://permacolumn.com/products/perma-column-system.html ... and we have used that product (Perma-Column) to retrofit one of our barns: 24 reps of jack up, chainsaw off, dig out hole, and insert from below ... [1] https://en.wikipedia.org/wiki/Brettstapel https://en.wikipedia.org/wiki/Brettstapel