How do I remove a fiberglass pool without losing deck support

My fiberglass pool popped up and broke. My son was tying to cut it out but the deck supports would collapse. Im doing this alone. Please suggest a safe way without buying anything. Just myself. I have put some lattice I had and the cut off pool pieces upside down and it is now covered from rain but the water still comes from the ground and through the deck
q how do i remove a fiberglass pool without losing deck support
q how do i remove a fiberglass pool without losing deck support
This block is held by a root. Different angle from above picture
q how do i remove a fiberglass pool without losing deck support
I had pieces of lattice and the curved edge cut from the pool I put in upside down hopefully to hold back the sand/dirt from washing away even more
q how do i remove a fiberglass pool without losing deck support
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