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Re: Anchor Bolt Pullout

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Title: Message
I wish he were.  Imagine the insight.  
V. Steve Gordin, SE
Irvine CA
----- Original Message -----
From: Bill Allen
Sent: Monday, August 04, 2008 17:45
Subject: RE: Anchor Bolt Pullout

Steve -
Are you quoting your undergraduate professors again?
T. William (Bill) Allen, S.E.
Consulting Structural Engineers
V (949) 248-8588 ? F(949) 209-2509
-----Original Message-----
From: Steve Gordin [mailto:sgordin(--nospam--at)]
Sent: Monday, August 04, 2008 5:10 PM
To: seaint(--nospam--at)
Subject: Re: Anchor Bolt Pullout

They do, and, intuitively, it appears to be a right move.  Practically, though, I have not heard of any failures. 
Mephistopheles: "Grey is, young friend, all theory. And green of life the golden tree." (Faust).
V. Steve Gordin, SE
Irvine CA
----- Original Message -----
Sent: Monday, August 04, 2008 16:28
Subject: Anchor Bolt Pullout

Going through Appendix D of ACI 318-05, it appears the pullout strength of a hooked anchor bolt (D.5.3.5) is quite a bit less than that of a headed bolt (D.5.3.4) {8 times the bearing area of a bolt head or washer net area as opposed to 0.9 times the area of the hooked leg}
Am I reading this right? If so, it looks like they are trying to negate the use of hooked anchor bolts in tension.

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