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Re: Drilled Piers

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Does Kansas have 100 storey buildings?

I have used fairly large bore caissons before, and I have specified a
similar bore before.
The contractor preferred to drill two smaller caissons adjacent to each
other instead of a 2.75 meter
diameter caisson (whether he was unable to drill it or he preferred to use a
smaller amount of augers
I am unsure).  You may have trouble with belled piers depending on the type
of soil you are in, and if
you are trying to bear on bedrock I think that the uncertainty of the
bedrock depth may cause you
trouble in developing a proper bell ( unless, I suppose, you plan to open
the bell up significantly above
the height of bedrock).

Craig Slama, PEng.

----- Original Message -----
From: <sscholl2(--nospam--at)>
To: <seaint(--nospam--at)>
Sent: Friday, December 08, 2000 6:37 PM
Subject: Re: Drilled Piers

> why are the piers so large? Is it a 100 story building?
> Stan Scholl, P.E.