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27-03-2018, 12:39 PM #1
Concrete blocks an sleepers strength
My mate as just had his concrete pond base laid which he never mentioned butbswears blind he as many times anyway..
He wants a block build and then the usual insulate n fibreglass but the other half wants the section above ground done in sleepers or 4x4...
Now he as asked a few builders about this and he couldnt get a definitive answer if its ok or not.
I said that my only draw back would be the strenth of the bottom sleeper screwed onto the top block and then the weight of the water pushing side ways and putting pressure upon those screws or bolts pending upon which he would use..
I said look just block it then say its cheaper and then clad the exterior.....
You get what you pay for...
https://www.koiforum.uk/water-treatme...y-easypod.html
https://www.koiforum.uk/water-treatme...tom-drain.html
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27-03-2018, 12:57 PM #2
yes that could be done, im assuming the sleepers are laid flat, and he knows how to join them at the corners.
The top ring of sleepers wouldn't want to move in any particular direction because it will face equal pressure from all sides.
it would be particularly easy if using concrete hollow blocks, to place re bar down through the sleeper into the blockwork whilst the concrete infill is still wet.
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27-03-2018, 03:14 PM #3
Just passed that info on.....
CheersYou get what you pay for...
https://www.koiforum.uk/water-treatme...y-easypod.html
https://www.koiforum.uk/water-treatme...tom-drain.html
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27-03-2018, 07:04 PM #4You get what you pay for...
https://www.koiforum.uk/water-treatme...y-easypod.html
https://www.koiforum.uk/water-treatme...tom-drain.html
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28-03-2018, 07:21 AM #5
yes you could do that and resin them in if you want to.
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28-03-2018, 08:01 PM #6
Ant, familyman means once the blocks are built up to just below ground level where the first sleeper needs to go in have these ready prior to back filling the hollow blocks then fill one side of the hollow blocks place the sleeper on top and then push rebar through the sleeper and into the fresh concrete.
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28-03-2018, 09:23 PM #7
He needs to be careful which type of sleeper he uses. I did mine in sleepers and they have rotten.
I used the big timber lock screws, but as the sleepers are now soft, so the screws just spin. I have had to run a ratchet strap around the pond to hold it together as it is opening up at the corners .
I would suggest he builds the pond out of blocks and then clads it with timber is that is the look his wife is looking for.
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28-03-2018, 10:35 PM #8
He should come on the forum and ask questions and discuss his build method himself
Are you not also doing a pond build currently?
Pics help!2016 new 6000 gallon pond
https://www.koiforum.uk/pond-construc...ghlight=feline
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29-03-2018, 09:42 AM #9You get what you pay for...
https://www.koiforum.uk/water-treatme...y-easypod.html
https://www.koiforum.uk/water-treatme...tom-drain.html
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29-03-2018, 09:45 AM #10You get what you pay for...
https://www.koiforum.uk/water-treatme...y-easypod.html
https://www.koiforum.uk/water-treatme...tom-drain.html
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29-03-2018, 04:34 PM #11
what you need to do on the corners, is to accurately drill down through each sleeper as you lay it, and then drop a re bar down through the whole corner, screws aren't much use tbh.
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29-03-2018, 05:25 PM #12
Build it all out of block work then use sleepers to cover the blocks!!
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31-03-2018, 10:52 AM #13
if hes doing below ground in block and then top sleepers but then having it glassed,then there should be no issues,the water will want to push out at the bottom which is in the ground,and the glassing will be solid enough above ground for the little bit of pressure there is,i have 500g in my freestanding fibreglass q/t and that has no support round it at all,if it was a liner pond i might be worried,but even blockbuilt with liner can suffer disasters,mine has a crack top to bottom and i laid 7n dense flat,so i speak from experiance lol,andi
Best plants to remove Nitrate
pug has a very impressive veg filter on his pond, have a look at some of his his youtube videos....