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Re: double angle conn

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Title: double angle conn
Brian,
 
The 1/16th inch gap in the bolt hole will make all the difference in where the load goes.  Since there is no slack in the weld, 100% of the load will go in the welded angle.  If and when that fails, 100% of the load will go to the bolted angle.  I do not believe you can figure both angles will be working simultaneously.
 
Good luck,
 
Jeff Coronado, S.E.
West Covina, CA
----- Original Message -----
Sent: Thursday, July 10, 2003 12:00 PM
Subject: double angle conn

In a double angle connection of a floor beam to a supporting floor girder, are there any issues with one of the angles being field bolted, while the other is field welded?  The erector had to modify some connections (approved by fabricator) in this fashion.  Is it safe to design each angle to receive half of the beam reaction?

Brian Stanley, P.E.
Baltimore, Md