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RE: Detail Review

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How much actual rotation will you really get when a joist is sized per deflection criteria that the manufacturers suggest?  And with that little rotation how much crushing will there really be and would it be acceptable?  Looks like a good detail to me.  Could it also be used in a shear wall application (plywood instead of gyp.) to reduce the work required to install blocking between the joists?

 

Joe Grill

 

-----Original Message-----
From: David Fisher [mailto:dfisher(--nospam--at)fpse.com]
Sent: Thursday, August 05, 2004 2:52 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: Detail Review

 

Bill:

 

I think when the ends of the TJI’s rotate, they will crush the gyp. board.

 

A carpenter contractor tried something similar to this on a project of ours…

 

We showed a LVL ledger, which he didn’t like and unilaterally changed…

 

 

It didn’t work.

 

 

 

 

David L. Fisher SE PE

Fisher + partners

372 West Ontario

Chicago 60610

 

312.573.1701

312.573.1726 fax

 

312.622.0409 mobile

 

www.fpse.com


From: Bill Allen, S.E. [mailto:T.W.Allen(--nospam--at)cox.net]
Sent: Thursday, August 05, 2004 4:28 PM
To: seaint(--nospam--at)seaint.org
Subject: Detail Review

 

Dear Colleagues;

 

My client has asked me to review a proposed detail. I have my opinions, but, being one with an open mind, I would like to get opinions from others.

 

The detail is here: http://www.AllenDesigns.com/projects/20401/20401_sk03.jpg

 -

Your comments would be appreciated.

 

T. William (Bill) Allen, S.E. (CA #2607)

ALLEN DESIGNS

Consulting Structural Engineers

http://www.AllenDesigns.com

V (949) 248-8588

F (949) 209-2509