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RE: 10" Concrete Col.

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I suggest drawing a sketch of a 10" column at a decent scale, showing all
elements drawn to scale: concrete cover, ties drawn to full outside diameter
of bar (at deformations, not just nominal bar diameter), full bar bend
radius at corners, and verticals at "corners". Perhaps this will shed some
light on why 10" columns aren't shown. (Personally, I prefer 14" columns as
a minimum, but I often use 2-inches of cover on my projects.) 

-----Original Message-----
From: David Bejan Tehranchi [mailto:dbt(--nospam--at)]
Sent: Friday, October 06, 2000 7:50 AM
To: seaint(--nospam--at)
Subject: 10" Concrete Col.

I've noticed in several publications that the smallest listing for round
concrete columns is 12" diameter.   Is there any particular reason for this?
My situation that the Architect has spec'ed out 12" dia. columns which are
overkill.  Any reason (i.e. code) that 10" diameter wouldn't be allowed?
David B. Tehranchi 
Davis, Bowen, Friedel, Inc. 
One Plaza East, Suite 200 
P.O. Box 93 
Salisbury, MD 21803-0093 

A pessimist says the glass is half empty, 
An optimist says the glass is half full, 
Ands the engineer says... 
    "It's a good thing I put half my 
     water in a redundant glass"