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dpack
Joined: 02 Jul 2005 Posts: 46226 Location: yes
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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dpack
Joined: 02 Jul 2005 Posts: 46226 Location: yes
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sgt.colon
Joined: 27 Jul 2009 Posts: 7380 Location: Just south of north.
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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dpack
Joined: 02 Jul 2005 Posts: 46226 Location: yes
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Ty Gwyn
Joined: 22 Sep 2010 Posts: 4613 Location: Lampeter
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Posted: Tue Feb 25, 20 3:11 pm Post subject: |
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Once you establish a level at the lowest part of your garden,to save a lot of digging,just sink a series of holes,2ft 6in to 3ft deep,roughly 5ft apart and concrete in short girders or rails to the required height,build your sleeper wall against these,and working up your garden to where you want the next terrace wall,level, sink more holes and repeat,throwing the soil/debris back against first sleeper wall,and so on. |
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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Posted: Tue Feb 25, 20 3:55 pm Post subject: |
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Ty Gwyn wrote: |
Once you establish a level at the lowest part of your garden,to save a lot of digging,just sink a series of holes,2ft 6in to 3ft deep,roughly 5ft apart and concrete in short girders or rails to the required height,build your sleeper wall against these,and working up your garden to where you want the next terrace wall,level, sink more holes and repeat,throwing the soil/debris back against first sleeper wall,and so on. |
That's pretty much how I have done the 40" retaining wall Seemed about the right level of engineering for it. |
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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dpack
Joined: 02 Jul 2005 Posts: 46226 Location: yes
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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dpack
Joined: 02 Jul 2005 Posts: 46226 Location: yes
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Posted: Fri Mar 06, 20 1:39 pm Post subject: |
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odd thought , is there a fair bit of stone available at a good price, most of it could be rubble with some pretty facingfor the top few feet of the inside that shows?
i mean lots, at least 3 cuM per linerar M
the lowest bit seems to be pretty much part of the swamp at that level.
if there was a cornish bank at the perimeter a few feet of level could be gained in the bottom section.
that makes it usable most of the time, reduces the level changes above it and would give a solid edge to the whole heap.
if you have access at the top a chute would drop materials to the lowest level with little effort with that angle
it is the strength of the lowest retaining wall that will determine if it lasts and stays fairly stable.
done well cornish banks can retain quite a deep level change, permanantly, pretty and good for wildlife etc
wet earth, especially if it has been recently stirred, is pretty keen on slumping to a gentle slope if it can, i fixed one where the garden was in the sitting room, at least yours goes the other way but your house etc sits on the top so preventing any significant ground movement from the highest point to the lowest is top engineering priority.
a combo of bank at the base and sleeper/concrete/girder retaining walls or perhaps just wall might give decent size of flat areas and a stable micro geology
however you do this it will involve moving a lot of stuff ,keep up to a minimum and gravity is your friend for owt going downhill apart from your land |
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28237 Location: escaped from Swindon
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dpack
Joined: 02 Jul 2005 Posts: 46226 Location: yes
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