[Ferro List] optimal usage of materials

[Kosta Dellios]

Hi Uwe,

I think the ground is all clay. The storm water tank is at almost 2.5 m depth and the bottom there was clay. My foundation of the house is (where my leaking basement resides) is also at that depth and there is clay in abundance.  

Could you tell me more about using lime to stabilize the soil? What does that entail? Digging out the clay and mixing it with lime and then pouring it like regular concrete? What is the resulting strength of the mix?

Apart from the high cost of the lime (double the cost of cement) I hesitant to use this due to an additional step in the construction. But maybe there is an easy way? 

Cheers,
Kosta



----- Original Message ----
From: Uwe Brunjes <ubrunjes at yahoo.com>
To: Ferrocement Discussion List <list at ferrocement.net>
Sent: Monday, January 14, 2008 6:11:50 PM
Subject: Re: [Ferro List] optimal usage of materials


Hi Kosta,

The only part where I can offer an opinion is the
expansive clay ground. If I got that right, you can
stabilize it with lime. Of course if the layer of clay
is very thick, that might not be practical, but a thin
layer can be stabilized mixing up to 20% of lime (and
water) into it. That would in fact produce some kind
of primitive cement - an advantage to your project.

Uwe



--- Kosta Dellios <dellioskosta at yahoo.com> wrote:

> The pool is going to be built in-ground on expansive
> clay grounds. (snipped)


    
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