Apparently the liner gave out (it was old and I knew it'd need to be replaced in a year or two), water drained, and now the walls are caving in, taking with it a good bit of the brickwork surround.

to reduce the risk of algae bacteria or virus growing in the pool this needs to be removed regularly. The walls started caving in at several places but as the pool filled most of these straightened out. we did wrap the pool wall in plastic first, then backfilled by hand once the pool was filled with water. Pool Wall Caving In While Filling. There is only about 8 inches of water in the pool. i recently dug out a section of the wall and was surprised to find virtually no rust. I have a 24 foot round above ground pool I just noticed that one side of my pool wall has buckled in one area. My brother-in-law's pool had that same issue a couple years ago with the side buckling after the winter. by Jerry May (Elizabethton, TN) While filling my new pool with water, the walls started caving in. The instructions said to start filling after the wall was up and the liner was in so I did. We just had a really bad rain storm which caused my cover to sink in and started holding water on the cover which made a portion of the pool wall to cave in word. We noticed in April the pool had lost a lot of water, without removing the covers we refilled the pools in hopes to prevent it from not collapsing. Inground Pool Kits. Soil Considerations in Swimming Pool Construction by Ron Lacher, P.E. BUCKLED POOL WALLS: Not usually a problem with inground pools, buckled pool walls normally happen on aboveground pool walls. If your inground pool wall is buckled, you can remove the deck above first to take the weight off of the pool wall, then you can work the wall panel with 2×4’s and a maul (mini sledge), to bang it back into shape. Concrete pools do not "cave in", however part of the pool can rise 2' above the ground. I'm at work now and as soon as I get home I'll get some photos up to show. : This instructable is based on my experience refilling my in ground swimming pool. Now the pool is almost completely full and there is one section that is bent way over almost to the water level. And the risk increases the longer your pool is empty? Draining and Refilling an Inground Swimming Pool. No need to worry though, it’s a simple fix, just fill the swimming pool back up to approximately 14”, the pool wall should pop back into place after that. nice article! I have a 24' Westminister II pool. : This instructable is based on my experience refilling my in ground swimming pool.