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RE: Input with regard to section 1633.2.4

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I'm glad that someone (with credibility) finally jumped up and said it.

Thank you, Ben.

Regards,

Bill Allen, S.E. (CA #2607)
ALLEN DESIGNS
Laguna Niguel, CA
http://www.AllenDesigns.com 

||-----Original Message-----
||From: Yousefi, Ben [mailto:Ben.Yousefi(--nospam--at)ci.sj.ca.us]
||Sent: Tuesday, July 18, 2000 7:59 AM
||To: 'seaint(--nospam--at)seaint.org'
||Subject: RE: Input with regard to section 1633.2.4
||
||
||The difficulty is with applying the deformation compatibility 
||to columns in
||a one-story building. Columns are usually designed and 
||detailed with pin-pin
||end conditions. Unless you have a fixed based, applying 
||p-delta to these
||columns is an exercise in futility.
||
||Ben Yousefi, SE
||San Jose, CA
||
||	-----Original Message-----
||	From:	SDGSE(--nospam--at)aol.com [SMTP:SDGSE(--nospam--at)aol.com]
||	Sent:	Monday, July 17, 2000 10:40 PM
||	To:	seaint(--nospam--at)seaint.org
||	Subject:	Re: Input with regard to section 1633.2.4
||
||	In a message dated 7/17/2000 8:08:02 PM Pacific Daylight Time, 
||	fduarte(--nospam--at)LEASUNG.COM writes:
||
||	<< 1633.2.4 "Deformation Comparability" I need to check 
||the elemenst
||	 and their connections to adequate maintain support of 
||design dead
||load and
||	 live load.
||	 so what exactly does that mean? for example,
||	 for the beam, I have gravity load and what? >>
||
||	You need to check the columns for P-Delta effects due to the
||inelastic 
||	deformation of the roof diaphragm. In other words, your columns
||should be 
||	checked for combined axial load and bending due to displacement
||equal to 
||	Delta-sub-M.
||
||	Regards,
||
||	Oshin Tosounian, S.E.
||	Los Angeles, CA
||
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