yoU MAY FIND YOUR ANSWER FROM A MASTER GARDENER. dIFFERANT TREES HAVE VERY DIFFERANT ROOT SYSTEMS. lISA add'l answer:
Depends on how close the tree(s) are to the pool shell and the type of trees involved. I have seen a very invasive root system on 10 to 15 yr. old pools with no visual affects on the inside surface of the pool plaster. However, another concern would be what are the roots doing to the Plumbing to and from the pool? A root can mangle a section of PVC pipe considerably before it cracks. On the other hand a 90 degree elbow( the weakest point would be the inside bend of the elbow - crotch) will split under pressure from the root system. This "leak" could not show up for months and if you have an automatic fill system you may not know about a leak until the pipe or fittings separate. About the fix - consult with an arborist.
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Building practices change from area to area and generation to generation, but you could probably expect to find the gunite is 8" thick with potentially a 12" thick perimeter bond beam around the top of the pool wall.
actually, limestone is used in making concrete, not the other way around.
Clay has a habit of moving around as a result of it wet and dry conditions1 Vinyl pools have a good reputation in reactive soils because they are the most flexible, so that is probably the first choice,2 Concrete is the strongest material a pool can be made from and this should rate prety well3 Shotcrete is concrete4 Gunite would probably e the last choice in reactive soilHowever the techniques that are used by experienced pool builders allow all of these to be used over a wide range of situations
I have heard that Henderson Pools LLC and Ewing Aquatech Pools and Spas are two wonderful places to find a pool. Both businesses carry gunite pools, Ewing builds custon designed ones to fit your style.
reenforced concrete
Hmmmm, just what is "an archer" ???? You mean a person with a bow and arrow?
The Ancient Brazilians in around 1 B.C., actually invented concrete. It was made so that the ancient people of Brazil would have straight roads where they could carry large amounts of grass to a specific place for the purpose of building soccer fields.
First of all you cut the concrete 2 paralell cuts from pool edge toward the pool equipment, jack hammer out concrete remove old skimmer and coping , plaster, etc, trench out from skimmer location to exist skimmer/drain line,set new skimmer in place plumbin to old skimmer line pour concrete around base of skimmer to set in place, wrap 1/2" rebar drilled and epoxyed into exist pool gunite, build form around skimmer and rebar, pour form with rapid set mortar, pour final layer of finish concrete, replace coping repair plaster and voila you r done
It only needs to have a length of around 3" to penetrate effectively.
The average size pool (14 or 15 X36) approx. 19,000gallons gunite pool will cost you around $32,000. I recently went "pool" shopping with multiple builders and this would be an average price. This does not include all the extra water features, etc.
A gunite pool can be freestanding and does not need earth around it as additional support. The construction of the pool is more involved with generally a thickness increase from 8" to 12" along with the addition of a secondary grid of steel in the pool. The engineering drawings for the pool will cover these additional details of construction.
ensure concrete bonding around the reinforcing steel
It weighs around 1500 kg/cum. and solid concrete blocks weigh around 1800 kg/cum minimum.