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[-] MeepMorp@lemmy.world 112 points 11 months ago

This is a legit method for building small things like that where you can use the brick-like shape of the bag when it's hardened. You just need to make sure the concrete gets soaked all the way through with a hose or rain.

https://www.core77.com/posts/80454/An-Easy-Way-to-Build-Retaining-Walls-Leave-the-Concrete-in-the-Bag-Stack-Like-Legos-Wet-With-a-Hose

[-] RattlerSix@lemmy.world 42 points 11 months ago

There's a park on the lake near me that has a retaining wall that steps down into the lake swimming area built this way. The bags are rotted away so they're just concrete pillows now. They're been there at least 20 years

[-] TexasDrunk@lemmy.world 11 points 11 months ago

That's exactly how I built a retaining wall at my last house. It had rotting railroad ties that I got rid of and I just stacked bags of concrete before it rained. The concrete set, the bags degraded, and I had a cool retaining wall in my back yard.

[-] cm0002@lemmy.world 18 points 11 months ago

In like 10 years when the bags have all eroded away it'll also leave a neat look formation I'd bet lol

[-] 667@lemmy.radio 12 points 11 months ago

Lots of revetments for water control in South Florida were built like this in the past. The burlap sacks all eroded away and leave an interesting pattern like you mentioned.

[-] BigPotato@lemmy.world 8 points 11 months ago

A state park near me did this with a giant set of stairs.

Looks neat. Is awful to walk down.

this post was submitted on 15 Aug 2024
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