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Giant rammed earth wall using a soil compaction machine.  RSS feed

 
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Any civil engineers here?

I’ve seen soil compaction machines – (The Bobcat looking ones with a huge vibrating rolling pin) at work and was wondering if this could be used to create giant rammed wall blocks.
http://www.youtube.com/watch?v=6-ymJ_8K7h0

Rammed earth walls are just 15 inches. I'm sure the Compacting machines are capable of compressing this?

A giant Frame placed on the floor horizontally like this |__________________|
and filled in.
A Soil compaction machine runs over this a few times.
The form is then pulled up and placed vertically in a trench for stability. OR the area surrounding it could be rammed to provide additional support.

Essentially, we don't move the block an inch. A tractor pulls the wall up and its left in place. The frame may be tapered to have a thick base.

If the amount of soil in a block constructed like this is the same as a traditionally filled one, does it make a difference how its filled?

I’m sorry if this idea seems absurd. I’m no civil engineer.
 
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Is this a foundation wall ? Rubble rock should go beneath, for good drainage and to prevent wicking.

You will need to compression test it.

China's great wall contains more rammed earth than stone. A very good material if done right.
 
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