you can but it would be best to put a layer of sand under the liner to protect it from the hard cement. Otherwise you may end up with a damaged liner.
I used a sand base for our 20' round above ground pool. It's much easier to deal with after the pool is gone. Greener too.
I think you meant concrete pad not cement. A 6 in pad should work for you.
That would depend on what type of pool you are installing and how you want it set up. Pool decking is most necessary for above ground pools, this would typically be of wood. For an in ground pool you would most likely use cement.
Hydralic cement?
there are aluminum pools, steel pools if they are above ground and they also have cement in ground pools that they build in your yard.
One slang term for a pool is a cement pond.
backflip into the pool of cement
A strong cement adhesive must be used, such as Barge Cement.
Yes, pool companies sell "Under Water Cement" and patch kits. If you hole is bigger than the usual patch, ask the pool company to sell you a piece of used liner.
I have a cement pool that has been fine in clay for about 15 years
No
Do a goggle search find above ground pool repair k