Wednesday, February 27, 2008

Open Source Block Maker

Blocks Made From Compressed Earth

Schematics for the machine that made these blocks is going to be available free to anyone who wants to make inexpensive construction blocks.

The Liberator Project, the design for a Compressed Earth Block (CEB) machine is an online collaboration, with the final design to be available to all.

The tech. literature for CEBs should show somewhere that working with CEBs is a little tricky. The blocks don’t do well in tension. When the wind blows on an exterior wall it causes the wall to want to bend, possibly making one face of the wall “stretch”. CEBs are a brittle material and they don’t really stretch, instead the walls crack. Designers must overcome this tendency by designing CEB walls and their applied loads heavy enough to keep the inside face from stretching.

You should check out some of the following cool links:


CEB Press

Sustainable Design Update


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Anonymous said...

So, when is the design of the machine going to be made availible?