frost heave

I’m getting ready to install a steel wall above ground pool. Ground is prepped with 6” of compacted gravel and 2” of sand on top. Site drainage is decent. Winters here can get very cold and I’m concerned about heaving, I want to mitigate any damages as much as possible. What’s everyone’s...

Our pool started leaking when we put the winter cover on. It has the Pacific Pools construction with vinyl liner, polymer walls and "K brackets" supporting the walls, and a sand bottom. We were loosing about 1/2 inch per day, but now that there is only about a foot of water in the shallow end...