Solution for retaining a scree slope

[alastairgott]

I still adore the second photo of me! The visible drips are just incredible!

And yes, before you ask both of the above are of me, different oversuit, gloves, chest tape, descender, and the addition of elbow pads to stop my oversuits wearing away so quickly at the elbows.


But definitely some poor continuity checking there pwhole  :tease:

 

[pwhole]

This is the same spot at the top of the climbing shaft in much worse conditions, and clearly showing why it needed the rockmesh. Coming back up that in those conditions is interesting. Also another showing me on the staircase below, which was basically a cascade 20cm deep, and very powerful, with stones visibly moving - why we built the retaining wall later (in the narrow gap behind me) and the large steps. Interestingly we found several large animal bones buried within the deads on the staircase, clearly not accidental.

 

[oldfart]

https://www.youtube.com/watch?v=0olpSN6_TCc

An interesting short video about reinforcing dirt. 

 

[AlexR]

That?s basically what I?m doing with the mushroom trays, geotextiles are fairly costly or difficult to buy in small-ish quantities but there are plenty of more accessible material that basically does the same.
Plan is to use plastic barrier fencing once the spoil heap grows to keep everything together (with a sandbag wall as facing).

 

[pwhole]

If several people needed some, this might be just be cost-effective:

https://www.insulationsuperstore.co.uk/product/dupont-tyvek-housewrap-100m-x-14m-roll.html

 

[AlexR]

A solid Tyvek sheet might work, and even be the best solution for material with a very small particle size (sand), but I think for gravel or similar you're better off with a mesh structure like the barrier fence I mentioned.
This is more "snaggy", i.e. gives more interlocking of the substrate and geomesh. The downfall in our case is the fact that you still require a solid foundation, it doesn't necessarily help for the spoil to be reinforced if this tower (filled rift) is resting on a floor of loose gravel. Probably best solved with flowing concrete into the gravel at the base, as soon as you're sure you won't have to remove any.

 

[pwhole]

That looks the business actually. And "Perfect for keeping the dogs and chickens off the newly seeded lawn" too. A common problem for me