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RE: Bent anchor bolts

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Scott, while your question addresses only the issue of the bolt, you may
want to know something about the damage to the concrete that occurred when
the bolt was originally bent, and that will occur when it is bent back.
Shear capacity is derived from the surface concrete. If the embedment is
shallow, this could be a problem for tension capacity as well.

Regards,

John Silva, SE

silva(--nospam--at)hilti.com

-----Original Message-----
From: Scott Maxwell [mailto:smaxwell(--nospam--at)engin.umich.edu]
Sent: Tuesday, June 26, 2001 12:35 PM
To: seaint(--nospam--at)seaint.org
Subject: Bent anchor bolts


I have a question that was asked of me and I could not locate a solid
answer anywhere.  I figure someone here will know...

Say you have an anchor bolt (opps, that would be anchor rods...damn, keep
forgetting that) sitting there out in the field prior to the column being
placed and it is just minding its own business, when "Wham!" someone runs
into it and bends it.  Someone asked if there is anything in a code
document that would prevent that anchor rod from being cold bent back
straight.  If there is nothing in code form, any personal opinions on cold
bending it back straight?

Thanks,

Scott
Ypsilanti, MI



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