Need a book? Engineering books recommendations...

Return to index: [Subject] [Thread] [Date] [Author]

Re: Signs for Response Spectrum Analysis

[Subject Prev][Subject Next][Thread Prev][Thread Next]

Parag,

Typically once you complete your RSA you include it as a plus and a minus in your load combinations for each direction.

Thomas Hunt, S.E.
Fluor



Parag Bande <pabande(--nospam--at)npcil.co.in>
08/06/2009 09:45 AM
Please respond to seaint
To
seaint(--nospam--at)seaint.org
cc
Subject
Signs for Response Spectrum Analysis





Dear All,
In Response Spectrum Analysis (RSA), due to modal combinations (CQC or
SRSS) signs for the member reactions/forces gets lost. Is there any
accepted methodology to apply signs to these forces during load
combination ? When EQ load is subtracted from other loads in load
combination it means that direction for concern EQ is reversed. However  
structural response for any kind of horizontal load one cannot get all
members (forces) behaving similar manner, means all bending cannot be
hogging/sagging or all members cannot be in compression/tension.
Thanks in advance
Regards,
Parag

-----------
Disclaimer:

This email and any files transmitted with it are intended solely for the use of the addressed individual or entity.  It contains information that is confidential and protected from disclosure. It must not be printed, read, copied, disclosed, forwarded, distributed or used (in whatsoever manner) by any person other than the addressee. Unauthorized use, disclosure or copying is strictly prohibited and may constitute unlawful act and can possibly attract legal action.

Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the company. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.

If you have received this message in error, you should destroy this message and may please notify the sender by e-mail.  
Thank you.
-----------

******* ****** ******* ******** ******* ******* ******* ***
*   Read list FAQ at: http://www.seaint.org/list_FAQ.asp
*
*   This email was sent to you via Structural Engineers
*   Association of Southern California (SEAOSC) server. To
*   subscribe (no fee) or UnSubscribe, please go to:
*
*   http://www.seaint.org/sealist1.asp
*
*   Questions to seaint-ad(--nospam--at)seaint.org. Remember, any email you
*   send to the list is public domain and may be re-posted
*   without your permission. Make sure you visit our web
*   site at: http://www.seaint.org
******* ****** ****** ****** ******* ****** ****** ********

------------------------------------------------------------
The information transmitted is intended only for the person 
or entity to which it is addressed and may contain 
proprietary, business-confidential and/or privileged material.  
If you are not the intended recipient of this message you are 
hereby notified that any use, review, retransmission, dissemination, 
distribution, reproduction or any action taken in reliance upon 
this message is prohibited. If you received this in error, please 
contact the sender and delete the material from any computer.  

Any views expressed in this message are those of the individual 
sender and may not necessarily reflect the views of the company.  
------------------------------------------------------------