>
>
>
> List members
>
>
>
> I am working on a site that has expansive soil. The soil report
> indicates the uplift force from the expansive soil to be 1500 psf.
> The foundation consists of piers and grade beams. I understand there
> is a compressible material that can be installed between the soil and
> the underside of the grade beam to reduce the overall uplift load.
> Can anyone point me to web site regarding this material or provide
> specs on this material.
>
>
>
> Gautam
>
I use Voidform
http://www.surevoid.com/
Chuck Utzman,PE
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