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Re: L-shaped A490 Anchor Bolts

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The biggest problem is their cg causes them to lean off vertical unless 
they're tied firmly in place. Tacking a nut at the bottom of a straight rod 
 eliminates that.

William L. Polhemus, Jr. P.E.


On May 2, 2013, at 7:12 AM, "Jim Getaz" <jgetaz(--nospam--at)> wrote:

> Note that despite the sketch on ACI Appendix D, people frown on L-shaped
> anchor rods these days. Something about them being able to pull out 
> around the bend.
> -----Original Message-----
> From: seaint-seaosc(--nospam--at) [mailto:seaint-seaosc(--nospam--at)] On
> Behalf Of Bill Polhemus Sent: Wednesday, May 01, 2013 10:48 PM
> To: seaint-seaosc(--nospam--at)
> Subject: Re: [SEAINT-SEAOSC] L-shaped A490 Anchor Bolts
> Stop it with any AB spec that's not F1554. Please.
> F1554 is a bolt spec (and includes headed, stud, or "shaped" bolts.
> A490 et al are MATERIAL specs only, with some stipulations of a very
> general nature concerning what you can make out of the material. And the
> bolts made therefrom are intended for structural steel connections 
> governed by RSCS.
> If you want an A490-level material with the other stuff that tells you 

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