From: "Daniel J. Huntington" <huntingtondj(--nospam--at)kjww.com>
Date: Thu, 15 Apr 1999 14:33:07 -0500
We, too, use the second method Harold described.
Daniel J. Huntington
KJWW Engineering Consultants, P.C.
623 26th Avenue
Rock Island, IL 61201
PH: (309) 788-0673
Fax: (309) 786-5967
Harold Sprague wrote:
> I have done it 2 different ways.
> 1. Put shear lugs on the setting template & weld a bar from the base plate
> to the setting template. That way the shear never goes through the anchor
> 2. For smaller shear loads:
> a. Use the oversized base plate holes (for ease of erection).
> b. Provide plate washers 3" x 3" x 1/4" (with the standard 1/16"
> oversize holes) under the head of the anchor bolt.
> c. Weld the plate washer to the base plate.
> Harold Sprague
> The Neenan Company
> -----Original Message-----
> From: Bill Sherman [mailto:SHERMANWC(--nospam--at)cdm.com]
> Sent: Thursday, April 15, 1999 10:44 AM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Bolt Holes, Another Application
> Another question on standard vs oversized bolt holes - what about holes for
> anchor bolts in base plates where shear is to be transferred from the base
> plate to the anchor bolt? While contractors prefer to use oversized holes
> base plates due to construction tolerances, how can you count on shear
> transfer if holes are oversized? (i.e., with reversible wind or seismic
> I normally specify anchor bolts to be placed using a template and use
> hole sizes (1/16" over bolt size) where shear is to be transferred, but I am
> curious as to what others do.