Homemade ground anchors?

[NJD]

Shopping around for a ground anchor but the option of actually installing one into the ground is out of the question due to lack of access to a drill and not wanting to annoy the landlord in the long run. So homemade / DIY ground anchor it is.

Taken from another post:

[Pete.]

The size of the plant pot matters because it's got to be big enough so someone can't carry it off.
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[NJD]

[Pete.]

Plastic's fine, it's the concrete that's heavy. I can carry two bags of postmix comfortably but I'll struggle with three so you want something that'll hold 3 bags minimum.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good

[Pol Anorl]

Youre gonna need a BIG pot... say 50cm or so and fairly tall...

i can carry 3 bags of cement.. 2 guys would move it easily.
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[Pete.]

[Northern Monkey]

I think you should be looking more towards something like this

https://www.homebase.co.uk/en/homebaseuk/traditional-water-butt---210l-013274
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[P.addy]

You would want a fairly big pot. 15cm won't do much. Bigger one that can just sit there all day and you loop the chain through.

[NJD]

[c_dug]

Personally I prefer the idea of an oil type drum with a pipe through it, filled with concrete still.
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[Taught2BCauti...]

I would go for a pot that will hold at least 60Kg of concrete, and put some heavy-duty garden mesh in there to help hold it together.

You can also get artificial trees, where the branches have plastic-covered metal cores. Won't add much weight, but a 60kg pot with a 6ft palm tree sticking out of it is going to be very difficult to spirit away.

I sometimes see these artificial potted trees in hotel lobbies, pubs and restaurants - and if I didn't have a garage, would definitely go for something like that.
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[andyscooter]

can you not dig a hole rather then use a pot

fill with concerete about three quarters of the way up when its just setting put the lock in

then fill rest with cement (or cerment if you are bodyguard) then cover with some gravel or something to make it look nicer

this is what I did to lock my bench up as somone nicked it off the front garden
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[LustyLew]

I've considered something like this before as I also rent.

Filling a water butt with concrete is great, but at 120l and concrete no doubt weighing more than 1kg a litre, how on earth do you move it when it comes to moving time?!
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[NJD]

[stevo as b4]

Could you not make a kind of concrete casting with a wooden box and maybe a big post through the middle so that you have a big hole to pass a chain through once you have removed the mould.

Having a hole in it might help with lifting it to move it as you could put a long bar through it then and a few people might be able to carry it?

The other option id you have any small paved or concreted area would be to use a bolt down anchor maybe, and when you leave the property, just unbolt it and leave the threaded part of the anchor flush with the ground, or even tap it down further if the hole is deep enough and work a bit of cement into the hole to hide it?

[Cadbury]

A quick Google tells me that concrete weighs roughly 2.4kg per litre.

So, this patio planter: https://www.homebase.co.uk/en/homebaseuk/regency-square-planter---black-712014 holds around 30l and when full will weigh 72kg.

My idea instead of, or in addition to a D lock is a kettlebell. The handle is MUCH thicker than a D lock, although more expensive, will add even more weight to the item.

A 20kg kettlebell is £30. https://www.amazon.co.uk/gp/aw/d/B000RGO3UU/

So that planter filled with concrete and a kettlebell would weigh 92 kilos. That's heavy. Yes, 2 or even 1 person could move it, but, when chained to a bike? , and it would be a very odd shape to lift - a small heavy cube won't roll for example.

You could even buy some cheap weightlifting plates off ebay too to stick in the bottom and easily get that small tub well over 100kg.

£4.99 for the tub
£30 kettlebell
£10 for 2 big bags of concrete (?)

Under 50 for the whole thing.
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[Northern Monkey]

A small profile water butt at 100L

https://www.homebase.co.uk/en/homebaseuk/slimline-water-butt-kit---100l-013276

at 2.4kg/litre, you're looking at just under 1/4 of a tonne of concrete.

72kg can be moved with a little swearing. 1/4 of a tonne is a whole different game.

I would concrete a metre of this into the bottom of the tub

https://www.ebay.co.uk/itm/16-mm-x-102mm-Long-Link-GALVANISED-ANCHOR-CHAIN-LIFTING-BOAT-YACHT-/110955299364?hash=item19d5738224

and leave it in situ, then you just need to carry a big padlock with you to connect your bike to the chain
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Fisty: after polishing the tank with the glistenng beads of sweat from my full hot scrotum, I filled the headrace bearings with 10cc of my manmilk

[Cadbury]

[t121anf]

[Ribenapigeon]

How about, two big blocks of cement with pipes embedded you can slip another pipe through. The pipes in the concrete could protrude and line up with holes in both the pipe and the through pipe which could accept a padlock. Park the bike between the blocks and pass the pipe through the bikes frame. Essentially trapping the bike in place. I would do a drawing but I can never remember how to post pics.

[chris-red]

The size of the concrete matters little, a thief would cut a chain or a lock before they would carry 50kg of concrete IMO.
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[Ribenapigeon]

Keep an eye out when passing building sites you might get a bit of discarded rebar.

[Northern Monkey]

[Chuffin Nora]

What a waste of good concrete.

You're looking at the problem from the wrong angle.

The better solution, surely?


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[J4mes]

Make the loop small enough so that you cannot get a bottle jack under it and pop the loop out of the block.

Closed height of this for example:

https://www.sgs-engineering.com/media/catalog/product/cache/1/image/1800x/040ec09b1e35df139433887a97daa66f/9/1/9105a-in-hand.jpg

is 64mm, and with 5T of grunt it may well be able to bust your hoop.