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RE: Styrofoam seal at plywood shear wall sill plate

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ROFLMAO!

 

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

ALLEN DESIGNS

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

-----Original Message-----
From: Gerard Madden, SE [mailto:gmse4603(--nospam--at)gmail.com]
Sent: Wednesday, January 23, 2008 11:55 AM
To:
seaint(--nospam--at)seaint.org
Subject: Re: Styrofoam seal at plywood shear wall sill plate

 

There goes that whole rigid diaphragm of wood walls idea....add a new factor in the in-plan ewall deflection calc for rigidity...crushing of the styrofoam

Delta_sty =  e^log23 * (coeff. per ASCE 7 section 128.1.5.a exception #3 ) x E of styrofoam x Phi

-gm