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RE: RE: RE: Mailing list invitation

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You might try contacting the Light Gauge Steel Engineers Association for the
information you need in the future. Try contacting Larry Williams who is the
Managing Director in Nashville (615) 279-9251. I have found Larry to be a
very congenial and helpful representative of LGSEA.
I will have to digest your comments and review the Serrette report before I
comment. The only thing I remember is that the code value is based upon
ultimate strength values and reduction values are applied which is different
for wind or seismic.
Your mention of a "clinched" connection was unfamiliar to me until I
received the LGSEA newsletter yesterday. There is an article "Clinching -
for framing without screws" by Dr. Hans Bergkvist, ATTEXOR Inc. If you are
interested, you might contact Larry Williams for a copy of this article.
If there are no other posts, I'll respond to you privately.
Dennis Wish PE

-----Original Message-----
From: ROgawa(--nospam--at) [mailto:ROgawa(--nospam--at)]
Sent: Thursday, October 08, 1998 3:38 PM
To: seaint(--nospam--at)
Subject: Re: RE: RE: Mailing list invitation


I just completed cyclic testing of steel studs walls at UCI for an client on
the east coast.  The client has developed a "clinched" connection for which
structural values were determined by testing.  However,  ICBO ES approved
connection only for Zones 1 and 2.  In order to use Table 22-VIII-C of the
1997 UBC,  it was necessary for the client to conduct cyclic testing and the
testing was to follow the test size and procedures followed by Prof.
I tried to obtain a copy of Prof. Serrette's report from AISI but they were
not very cooperative.  I requested some answers from Serrette but he
me back to AISI.   I did get ahold of the report.  The report did not
to provide data at the yield limit state and the  deformation at the yield
limit state.  The SEAOC procedures require reporting results at the YLS and
SLS as well as testing an 8 x 8 wall.  All of Serrette's cyclic work was
on 4 x 8 walls.  Since this was the basis for the code change to include
racking shear values for steel studs,  we had to follow the same protocol.

ROgawa, P. E.
Inspection Concepts