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RE: field bending reinforcing

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Is there something about an embedded reinforcing bar that makes it more susceptible to bending 3 times? I would think the reason to disallow field bending would have more to do with insuring proper diameter of bends at critical bars in lieu of kinking a bar with a cheater pipe or the like. Your right, I should check the archives.
 
Jeff
 
 
 
 -----Original Message-----
From: vicpeng [mailto:vicpeng(--nospam--at)sprint.ca]
Sent: Tuesday, October 09, 2001 4:11 PM
To: seaint(--nospam--at)seaint.org
Subject: Re: field bending reinforcing

This thread has been covered previously. 
 
Tests done back "when Adam was a cowboy", identify that bending more than two times can result in a significant loss of bar strength.

Thor A Tandy P.Eng
Victoria BC
Canada
e-mail: vicpeng(--nospam--at)sprint.ca
----- Original Message -----
From: Jeff Smith
Sent: Tuesday, October 09, 2001 3:47 PM
Subject: field bending reinforcing

What are the reasons for not allowing field bending of embedded reinforcing
per section 1907.3.2.?


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