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RE: ACI 318 Appendix D

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Title: RE: ACI 318 Appendix D
Sooo, does this mean a tube steel column with a base plate would be o.k in place of
a wood post with a holdown at the end of a shear wall? might be cheaper than a through bolt

Tarek Mokhtar, SE




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
CH2M HILL / DEN
720-286-2792
 


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

AISC 341-05 is better known as "Seismic Provisions for Structural Steel Buildings"
----- Original Message -----
From: Larry Hauer
To: Struct. Eng. Assoc.
Sent: Sunday, April 19, 2009 8:16 AM
Subject: RE: ACI 318 Appendix D

Jules,
 
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)socal.rr.com
To: seaint(--nospam--at)seaint.org
Subject: Re: ACI 318 Appendix D
Date: Sat, 18 Apr 2009 08:39:21 -0700

@page Section1 {size: 8.5in 11.0in; } .ExternalClass P.EC_MsoNormal { FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman' } .ExternalClass LI.EC_MsoNormal {      FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman' } .ExternalClass DIV.EC_MsoNormal {     FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman' } .ExternalClass A:link {       COLOR: blue; TEXT-DECORATION: underline } .ExternalClass SPAN.EC_MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline } .ExternalClass A:visited {    COLOR: purple; TEXT-DECORATION: underline } .ExternalClass SPAN.EC_MsoHyperlinkFollowed {       COLOR: purple; TEXT-DECORATION: underline } .ExternalClass SPAN.EC_EmailStyle17 {       FONT-WEIGHT: normal; COLOR: windowtext; FONT-STYLE: normal; FONT-FAMILY: Arial; TEXT-DECORATION: none } .ExternalClass DIV.EC_Section1 {        page: Section1 }
Bill,
 
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.
Regards.
 
Jules
----- 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.
ALLEN DESIGNS
Consulting Structural Engineers
 
V (949) 248-8588 * F(949) 209-2509
 


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