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I want to build a small bridge over my chicken moat to get to my geodome green house. Looking at this earthbags could be the way to go? Im thinking reinforcing rods for the span and off set bags for the steps. 
 
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Amanda Launchbury-Rainey wrote:I want to build a small bridge over my chicken moat to get to my geodome green house. Looking at this earthbags could be the way to go? Im thinking reinforcing rods for the span and off set bags for the steps. 


I can imagine that this would work if you drained the moat while you constructed the bridge with gravel-filled bags and covered the entire structure with hefty cement stucco with plaster mesh embedded.
 
Amanda Launchbury-Rainey
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Thank you, Kelly!
 
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I am not a huge fan of concrete, but you would get a very sturdy bridge abutment if you mixed gravel and cement into bags and then set them in place. Moisture in the air and in the soil would harden it like the concrete it is. You can do this with paper bags and let the bags deteriorate on their own, OR after it is hardened, set them on fire to burn off the paper.

It is called bagcrete and works well.
 
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