Terrace planning with a circular path and slight slope

  • Erstellt am 2022-08-04 11:54:13

WilderSueden

2022-10-11 23:03:23
  • #1
Usually gravel is used, but compacted sand should also be sufficient to support footpaths, and water can also drain well. The loads are not very high, we are talking about a person with luggage at maybe 100 kilos, and that's distributed over the area of the slab. If it has lasted for many years without frost damage, then I wouldn't excavate everything. The prerequisite would be that the new slabs fit the sand base in size.

For a new installation, I wouldn't cut corners. But if everything is already there, I find that excessive for a footpath.
 

schlukkl

2022-10-12 11:29:08
  • #2
Thank you very much for your quick assessment.

From this, I derive the plan:
For the terrace
* Complete renovation of the sub/base structure
* Excavating
* Gravel/pebble layer
* Compacting
* Chippings layer

For the walkways:
* Restore 30cm sand/chippings mixture
* Near the curbstones, I should probably compact well. Do you have any tips for the compaction?
** Use a vibrating plate and compact everything?
** Vibratory rammer and use it especially in the area where I had to dig?
* Then about 5-8cm chippings layer (I need 2cm more because the old slabs were 2cm thicker)
 

schlukkl

2022-10-24 10:13:46
  • #3
Hello everyone,

I have now excavated in the area of the curbstones to be able to set the concrete wedge. I find conflicting information about whether frost protection layer is also placed under the concrete wedge. I would have assumed (approximately 10cm well-compacted mineral aggregate).

That is correct, right?
 

deezey

2022-10-24 12:41:37
  • #4
Hello, yes, exactly. At least 10 cm. The curbstones should of course also stand on a good subgrade. Of course, there are many possibilities. Generally excavate over the entire width and produce a correspondingly good base layer. Set the curbstones (path width) and when these are "firm," build up the remaining height (bottom edge of the gravel). Then install the gravel layer and lay the slabs :). What kind of curbstones will you be using? Size, length, width & height? Under the curbstones, there should also be at least 5-10 cm of concrete (depending on the dimensions).
 

schlukkl

2022-10-24 14:38:25
  • #5
I have decided to use metal lawn edges as "edging stones" because in my opinion all classic curbstones simply do not visually match the slabs. They are about 120 cm long and 20 cm high (2mm wide). My plan is: 10 cm of mineral stone mixture, 5-10 cm of concrete (under the edge). That is why I excavated 40 cm. I would then fill in soil on the outside and inside add 10 cm of mineral stone mixture and 5-10 cm gravel layer. Does that make sense?
 

schlukkl

2022-11-21 12:58:10
  • #6
Hi everyone,
thanks again for the advice here. So that you also get what happened, a little update:

* The metal lawn edges rest on 10 cm of concrete + concrete wedge + 10 cm of compacted gravel (somewhat visible in the picture to the left of the metal edge).
* Filled with gravel and the sand that was there before. Compacted several times. Unfortunately, the sand is not as permeable as hoped and has a certain "clayey" component. I hope that won’t cause problems. I have also laid water pipes and cables in the gravel.

* I started behind the house at the "path". The first 60x120cm slabs lie on 5-10cm of chippings and chipping bedding to reduce shifting between the slabs and avoid grinding noises.

So far, the laying is going quite well. I hope it stays this stable.

Best regards
Lukas
 

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