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pull-out bars

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Hi Noy:

 

Are you referring to a process that a threaded insert could provide?  A threaded insert could be threaded to a hooked bar in the wall/column and then after the wall is poured, a beam re-bar could be threaded into the same insert. I would design a corbel to hold the vertical reaction of the beam in the second pour as well.

 

We have done this successfully on several projects.

 

If you are re-bending an embedded rebar, the second bend after the first pour would severely weaken the rebar.

 

Respectfully,

Bob Freeman, AIA, EIT

949-387-8500

 


From: Noy Tiglao [mailto:hou69noy(--nospam--at)yahoo.com]
Sent: Thursday, November 05, 2009 12:42 PM
To: seaint(--nospam--at)seaint.org
Subject: pull-out bars

 

Is there provision in ACI or any standard/code that allows 'pull-out bars'? i am refering to a reinforcing bar that is bent and embedded in concrete wall/column, and then pull it out to connect/splice the  reinforcing bar of a beam or slab. (personally, i do not agree with this approach but some engineering firms allow it) please give me insight. thanks.

 


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