PSN-L Email List Message
Subject: Re: low pressure tilt?
From: ian ian@...........
Date: Wed, 12 Mar 2008 08:08:18 +0000
thinking about its construction (concrete poured onto sand), it is
possible that there could be trapped air underneath, which would have an
> In a message dated 2008/03/11, ian@........... writes:
>> underneath is clay. It's very tough stuff, digging it out was quite
> Hi Ian,
> Thiscan be expected to expand quite a lot when it absorbs moisture.
> Could you have an air pocket underneath the slab? That could
> respond to air pressure changes.
Public Seismic Network Mailing List (PSN-L)
[ Top ]
[ Back ]
[ Home Page ]