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RE: Uplift Anchorage at Perforated Shear Wall

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I agree with Joe.  The question is…do you design the intermediate anchors for uplift and shear combined?  That’s how the forces will likely be applied in a big lateral force event, so regardless of the code I think it would be best to design for real life load conditions…whatever that means.

 

Eli Grassley

 

-----Original Message-----
From: Joe Grill [mailto:jgrill(--nospam--at)swiaz.com]
Sent: Friday, August 27, 2004 11:32 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Uplift Anchorage at Perforated Shear Wall

 

It doesn’t appear that is what the IBC “perforated shear wall” method is saying.  It is giving equations for both end of wall uplift and uplift to anchorage between the end walls.

 

-----Original Message-----
From: Jason W. Kilgore [mailto:jkilgore(--nospam--at)leok.com]
Sent: Friday, August 27, 2004 11:11 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Uplift Anchorage at Perforated Shear Wall

 

I design the intermediate anchor bolts to handle all in-plane shear and the end anchors for uplift only.

 

---

Jason Kilgore

Leigh & O'Kane, LLC

Kansas City, Missouri


From: Joe Grill [mailto:jgrill(--nospam--at)swiaz.com]
Sent: Friday, August 27, 2004 12:03 PM
To: seaint(--nospam--at)seaint.org
Subject: Uplift Anchorage at Perforated Shear Wall

 

I am looking a shear wall using the perforated shear wall provisions in the 2003 IBC.  There are uplift force calculations (2305.3.7.2.4) and in-plane shear calculations (2305.3.7.2.5) and uplift anchorage between wall ends (2305.3.7.2.6).  Are the anchor bolts required to be designed for in-plane shear acting at the same time with the uplift anchorage between wall ends?   

 

Thanks,

Joe Grill