Above Ground Brick Construction Garden Pond


Postby Steve T » Thu Jul 02, 2015 9:23 pm

I am in the process of building an above ground brick garden pond and really need some advice regarding the construction.

1. My pond will be built into a sloping garden.
2. The pond height (ie the brick wall) will be about 300mm above ground at one end, and about 900mm above ground at the other end.
3. It will be kidney shaped so both ends will be curved.
4. The concrete footings are in and are 450mm wide by 150mm deep.
5. The overall length is approx 4m and the width is approx 2.5m.

I was initially thinking of doing a double skinned wall using standard concrete bricks for the inner wall, and facing bricks for the outer wall. However, at the end which is approx 900mm high, I am not sure if this method of construction will be good enough to withstand the water pressure.

Any advice would be much appreciated.
Steve T
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Postby welsh brickie » Sat Jul 04, 2015 5:57 pm

use 215mm thick, hollow concrete blocks, and use rebar in the foundation, rebar must also used in the wall and concreted into position.
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Postby Steve T » Sun Jul 05, 2015 8:23 pm

Thanks for the advice. However, the foundations are already in so I am unable to put rebar in now.

Could I just build on top of the foundations (which are 150mm thick concrete in solid ground) using the hollow concrete blocks with vertical and horizontal rebar?

If so, does the vertical rebar need to go in every hole, or every other hole,?

Do I need to put horizontal rebar after every course, or every few courses?

I would then fill the holes with concrete.
Steve T
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