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RE: ACI 318 Appendix D

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I was thinking the same thing.  I don’t see how AISC can negate ( as William says ) an ACI code requirement for anchorage in concrete.  If there was ever a problem I don’t think I would call ACI as a witness for my defense if I used the AISC code to do (or not do) the anchorage design, but I bet the other side would call them in a minute.

Joe Grill


From: William.Sherman(--nospam--at) [mailto:William.Sherman(--nospam--at)]
Sent: Sunday, April 19, 2009 8:45 AM
To: seaint(--nospam--at)
Subject: RE: ACI 318 Appendix D


Section 8.5 of AISC 341-05 essentially negates the seismic provisions in ACI 318 Appendix D for anchor bolts at steel column base plates.  It is interesting that the "steel code" allows exceptions to the seismic provisions of the "concrete code"!?


Bill Sherman





From: Jules [mailto:JulesG(--nospam--at)]
Sent: Sunday, April 19, 2009 9:38 AM
To: seaint(--nospam--at)
Subject: Re: ACI 318 Appendix D

AISC 341-05 is better known as "Seismic Provisions for Structural Steel Buildings"

----- Original Message -----

From: Larry Hauer

Sent: Sunday, April 19, 2009 8:16 AM

Subject: RE: ACI 318 Appendix D


What is ACI 341-05? It appears to be a manual I don't have. Can you tell us what Section 8.5 says?
Thanks in Advance
Larry Hauer S.E.

From: JulesG(--nospam--at)
To: seaint(--nospam--at)
Subject: Re: ACI 318 Appendix D
Date: Sat, 18 Apr 2009 08:39:21 -0700



I've been reading through all the answers on this subject but nobody mentioned the exception on AISC 341-05 8.5. It solves most of the problems for anchoring column base plates, I use it.




----- Original Message -----

From: Bill Allen

To: Seaint

Sent: Thursday, April 16, 2009 1:25 PM

Subject: ACI 318 Appendix D


O.K., I've beaten my head against the wall long enough. I've decided that a post-installed anchor won't work in tension for anything I design.


I feel better now.



T. William (Bill) Allen, S.E.


Consulting Structural Engineers
V (949) 248-8588 F(949) 209-2509



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