questions, concrete tank

T

tank90

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Aug 30, 2005
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HI, I am building a new 3 car garage out back on my property one of the bays will be walled in and finished, heated ect.... I am in the process of getting the floor poured right now and i am going to build a tank in there as well...

1. I am going to have the tank walls poured with the floor as it will be one solid piece.

2. the tank will be 8 foot deep, 10 foot wide and 6 foot tall.

3. the window will be 6 foot wide and 3 foot tall.

4. it will have a bottom drain and a bottom sidewall bulkhead running to a filter on the other side of the wall.

opinions / questions..........

1. how think should the tank walls be and the tank floor ?

2. does anyone know how to figure out the water pressure at this size ?

3. what about the window glass or acrylic and thickness of each ??

4. would a new pool filter work for this tank ?

5. should a use drylock to paint the concrete with ??

any advice, opinions, thoughts ect given I would greatly appreciate before i get this started......

thanks in advance ....Chris.
 
That's roughly 3,600 gallons. At 70 deg F, you're looking at about 8.3lb/gal, or close to 30,000 lbs., and that's only the water (not counting concrete and other structure).

I'd get an architect and have a soils expert look at the substrate (get it stabilized prior to pour?). That's like building a parking bay for a light tank or AFV.

v/r, N-A
 
(edit- Please disregard the below statement. It is wrong. Thanks for correcting me again).

The lime in concrete is toxic to fish. You should use cement instead.

(edit -Once again, please disregard the above statement).


Your questions will take some research. I see you posted already at Monsterfishkeepers.com . I hope somebody helps you there. They certainly have some huge tanks.

Here's a few other links on cement tanks-

http://www.anythingfish.com/Todds rays/Todds Concrete Tank/ToddsConcreteFishTank.htm

http://www.gcas.org/articles/info_1000_gallon_tanks.html
 
Last edited:
chefkeith said:
The lime in concrete is toxic to fish. You should use cement instead.

Your questions will take some research. I see you posted already at Monsterfishkeepers.com . I hope somebody helps you there. They certainly have some huge tanks.

Here's a few other links on cement tanks-

http://www.anythingfish.com/Todds rays/Todds Concrete Tank/ToddsConcreteFishTank.htm

http://www.gcas.org/articles/info_1000_gallon_tanks.html
Click to expand...

Yes, the ime in concrete is toxic to fish, if, it's not cured properly.
here is a link to help with that:

http://www.garf.org/

go to: how to pages, under aragocrete read rock curing update #1,2 and 3 and you sould find all the info you need.
 
got_nailed said:
The force of the water on the walls would be 30,000 pounds of pusher on the walls. I would talk to some people that do the high end swimming pools for some advice.
Click to expand...

Not quite

The pressure on the walls is,

d=.036 lb/in^3
h=6'= 72"
L=10=120"
w=8=96"
thats how I read the measurements wall lenghts 8 and 10 feet, water depth 6 feet
P= 1/2 d*L*H^2= 1/2*.036*120*72^2=11200 lbs on each 10 foot wall.

P= 1/2 *.036*w*H^2= 8960 lbs on each 8 foot wall

If you want to know where my equations came from let me know. (they require calculus)
 
Ok your right joephys.

But I was thinking about the joint at the bottom and the wall. They will have the 30,000 lbs of force on them. What you did was per sq inch I think. I don’t remember all that math from calculus.
 
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