To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
Subject: RE: Foundation Jacks
From: Eric Green <egreen(--nospam--at)exponent.com>
Date: Thu, 5 Apr 2001 06:13:18 -0700
You are correct. Is is possible the the perimeter is underpinned?
eric green, PE
From: richard lewis [mailto:rlewistx(--nospam--at)juno.com]
Sent: Wednesday, April 04, 2001 12:11 PM
Subject: Re: Foundation Jacks
I don't think it is the expansive clay. I was there during a drought and
the perimeter walls were higher than the interior walls. I would think
that during a drought it would be the other way around.
Enlighten me on other thoughts!
On Wed, 4 Apr 2001 08:03:50 -0700 Eric Green <egreen(--nospam--at)exponent.com>
> Depending on the timing, drainage and local weather conditions, you
> may want
> to consider that the perimeter may be heaving as the expansive soils
> wet. If
> so, raising the interior will not solve you problem as eventually
> perimeter will return to its normal m/c and move back down, leaving
> interior underpinned and high. Perimeter heave is relatively common
> in Texas
> during the monsoon season. Perimeter drainage is key to prevention.
> Eric green
> -----Original Message-----
> From: richard lewis [mailto:rlewistx(--nospam--at)juno.com]
> Sent: Wednesday, April 04, 2001 9:32 AM
> To: seaint(--nospam--at)seaint.org
> Subject: Foundation Jacks
> If my memory is still good, which on some days I have to question, I
> to see adds in Aberdeen's Concrete Construction magazine for
> shoring. I was a steel corkscrew type apparatus. I no longer have
> access to those magazines. Can somebody give me a lead on a web
> page for
> a product like this. Also, if anybody has some good or bad
> recommendations for using this product, I would appreciate hearing
> as well.
> My application is a house located on expansive soil. The walls are
> inch thick stone, and it appears as though there is significant
> of the interior walls, moving down. The exterior walls are in
> good shape. Only one wall has significant cracks, but quite a few
> of the
> interior walls are cracked. It makes me wonder also if poor soil
> compaction inside the building has caused settlement of the
> Thanks for your help.
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