RE: [Biofuel] cast earth versus flyash concrete

2005-07-05 Thread
 CSH Had done something similar with their flyashe and tests showed the same results with a longevity of something like 300 yrs.Myk --- On Tue 07/05, < [EMAIL PROTECTED] > wrote:From: [mailto: [EMAIL PROTECTED]To: Biofuel@sustainablelists.orgDate: Tue, 5 Jul 2005 12:02:28 EDTSubject: [Biofuel] cast earth versus flyash concreteA good foundation is a must,but the roof is what most people consider last.If your roof will not withstand  global warmings "off-the-scale"weather,everything will be ruined!Most of the home types mentioned have the same type roof that a tornado or typhoon or whatever will tear off.A tire or straw bale home WILL 
burn if there is a crack in the wall material,not even taking the roof into count.  A flyash -cement dome home built using class c flyash with a class h oil-field type cement at a 50/50 ratio with your sand -gravel mix shotcreted on 6 inches thick without ANY rebar to rust and crack the concrete should outlast the pyramids if they were built today!Ten years after a flyash-cement home is built,the concrete will be still getting STRONGER and more DENSE,i read.DUCTAL concrete can be well over 30,000 psi in strength,their company claims.A slogan on www.earth-house.com is "my roof IS my insurance."Flyash is still free for the taking in some locations,so look around and test it out. 

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[Biofuel] cast earth versus flyash concrete

2005-07-05 Thread MALONEKR
A good foundation is a must,but the roof is what most people consider last.If your roof will not withstand  global warmings "off-the-scale"weather,everything will be ruined!Most of the home types mentioned have the same type roof that a tornado or typhoon or whatever will tear off.A tire or straw bale home WILL burn if there is a crack in the wall material,not even taking the roof into count.  A flyash -cement dome home built using class c flyash with a class h oil-field type cement at a 50/50 ratio with your sand -gravel mix shotcreted on 6 inches thick without ANY rebar to rust and crack the concrete should outlast the pyramids if they were built today!Ten years after a flyash-cement home is built,the concrete will be still getting STRONGER and more DENSE,i read.DUCTAL concrete can be well over 30,000 psi in strength,their company claims.A slogan on www.earth-house.com is "my roof IS my insurance."Flyash is still free for the taking in some locations,so look around and test it out.
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