[Cob] Re: Patio, Airport Runway

[Pack McKibben]

Charmaine, I'd be interested in knowing how the Dallas Ft. Worth

Airport runways are built.  I've been making samples and testing how clay soil is

stabilized with lignosulfonate.  THis is a product that my local county road crew uses

to spray on dirt roads to keep the dust down and harden the surface.  I'd like to make

a hardened, soil patio around my earthen oven and dont have the budget for brick, 

stone, etc....

pack

 -------------------------------------:^)>

[snip] 

From: dirtcheapbuilder-Charmaine Taylor <tms at northcoast.com>
Subject: Re: [Cob] Patio of cob? lime stabilized

Clint--well...considering the entire Dallas Ft Worth airport runways 
are all stabilized lime and clay.. I'd say so. there are hundreds of 
miles of runway that planes land on...still funcitoning since the 1970s 
when they built it.

it would not be an actual COB or adobe and lime floor, but you would 
till the earth, and then compact it using lime as an additive, and tamp 
smooth. I have an article somewhere that explains this entire 
construction process. on a small scale it could be done.




		
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