New pad to put pool on

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  #1  
Old 07-13-18, 06:48 AM
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New pad to put pool on

I am looking at pouring an addition to my patio that will be about 13'x13' concrete to put my kids pool on. What I am wondering is how thick the concrete needs to be? it's only a 12' x 30" pool. I have read 4" is thick enough but not sure. Also wondering once I form it up if I should do bags of concrete or is getting a truck in there a better option? Should I have stone in between the ground and concrete or put concrete right on ground?
 
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Old 07-13-18, 07:44 AM
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That is about 2000 gallons, I just poured a 6" slab for my 500 gal spa so your there doing the work a couple more inches puts you on the safe side.

I contemplated doing my 11x11 pad but even if I purchased a mixer I doubt I could mix fast enough to keep everything moving without issues.

You also have to haul home or deliver the bags of cement, it's a big dirty job.

Pad right on the ground !
 
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Old 07-13-18, 08:18 AM
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Fresh water is about 62.4 pounds per cubic foot. So, your pool's 30" of water will have a weight of 156 pounds per square foot which is only a bit over 1 psi. Not very much and less than an adult standing on the concrete.
 
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Old 07-13-18, 08:37 AM
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I just looked it up and its about 45 bags per cu yd of concrete so that's a tons of bags. truck is def the way to go on this one, so you think I would need to do a 6" pad?
 
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Old 07-13-18, 08:56 AM
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I could have gotten away with a 4" pad, but as noted, the guys were there, forming takes no extra time and it's just a little more material,

I guess some day if I ever tear it out, then I'll complain that I should have done the 4" slab.
 
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Old 07-16-18, 11:44 AM
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any idea if a pad like this would require rebar inside of it?
 
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Old 07-16-18, 02:15 PM
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Rebar or wire, and they installed fiber reinforced concrete as well!
 
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Old 07-31-18, 05:22 AM
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If I tie this into an existing pad, do I need to put rebar connections into the existing patio to tie this new one into it?
 
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Old 07-31-18, 07:51 AM
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If butting up to an existing slab I like to bore horizontally into the old slab and insert rebar "pins" or expanding masonry anchor bolts which I leave protruding. This provides a mechanical connection between the pours to insure one doesn't settle or rise over time causing a trip hazard.
 
  #10  
Old 08-16-18, 09:17 AM
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This was poured Monday. what I am wondering is how soon I can set my kids pool up on it? its a 12' x 3' deep pool
 
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Old 08-16-18, 11:21 AM
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There are a lot of charts and info online but below is a chart that shows about how fast concrete cures and gains strength. I wait a week before driving on concrete. I think you'd be very safe to set up the pool this weekend but the ground pressure of your pool is so low that you could do it now if you wanted.

I would be careful about spilling chemicals on the concrete especially when it's still fresh and curing. I doubt they could hurt anything but it might cause some discoloration or staining.

 
  #12  
Old 08-16-18, 04:00 PM
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You have a lot of $ invested, dont rush, give it 3 weeks to cure then to to town.
 
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