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Engineering
General Engineering
Calculate lateral force/pressure of a body water
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[QUOTE="sophiecentaur, post: 6062296, member: 199289"] I would say that the hydrostatic forces are negligible compared with the practical possibilities of frost damage or plant roots or ground moving due to drought. A flexible liner should be there as that will avoid problems resulting from small cracks (old carpet underneath it or expensive equivalent from the pond shop). I think you are more likely to lose water through cracks than with a tsunami across your garden. The advantage you have here is that the loading is very steady and you have no shock loads to deal with. Your pond will not be approaching the Hoover Dam in height and that you would, in any case, be considering a wall thickness of more than just one vertical skin of brick or blocks; a radius between floor and walls and a few degrees of slope in towards the top would 'look right'. Also, if you are planning to cap the wall, it could look good with a reasonable thickness so that you can lean on it and get your face close enough to see the inhabitants.. Look at images of ponds on Google and that will give you an idea of what works structurally - also you can choose a design that's pleasing to look at. I have never heard of Pond Wall Failure so I don't think there's anything to worry about. PS It's essential that you have some way in and out of it for visitors (unless you just want ornamental fish which I, personally find a bit boring on their own.) But an emergency exit for small mammals to get themselves out would be good for them and good for you to avoid small bodies floating about. PPS P = ρgh will give you the hydrostatic pressure at depth h. Bearing in mind that 1Atm corresponds to about 10m of water, your depth of 0.5m gives you just 1/20Atm excess pressure on the floor (and outwards at the bottom too!) [/QUOTE]
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Calculate lateral force/pressure of a body water
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