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Time period in Etabs

 
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Anshumali Tiwari
SEFI Regulars
SEFI Regulars


Joined: 18 Sep 2013
Posts: 24

PostPosted: Sat Mar 01, 2014 3:10 am    Post subject: Time period in Etabs Reply with quote

Dear Experts,

While viewing the tables in Etabs for verifying the results after analysis, the MODAL PARTICIPATING MASS RATIOS shows the  period as very high
and same in all the modes. Also it does not shows TORSION  in any of the modes through out the structure.
I guess its wrong. Please help me.
Is it true that the  period shown should be less than the time period??
Please reply ASAP
Thanks and regards
Anshumali Tiwari
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A.Raja
SEFI Member
SEFI Member


Joined: 08 Mar 2014
Posts: 2

PostPosted: Sat Mar 08, 2014 8:55 pm    Post subject: Reply with quote

Hello,

Could you please clarify what table you are referring to?
Also, from analysis option make sure you have Rz check box marked

Regards
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Anshumali Tiwari
SEFI Regulars
SEFI Regulars


Joined: 18 Sep 2013
Posts: 24

PostPosted: Sun Mar 09, 2014 4:53 am    Post subject: Reply with quote

Dear sir,
I am referring to the tables after analysis i.e. MODAL PARTICIPATING MASS RATIO.
The value of torsion is shown in RZ and it is showing very negligible values in all the 12 modes.
Also the column of PERIOD in MODAL PARTICIPATING MASS RATIO is showing very large value of 131.
Please reply ASAP.
Rz is checked while analysis
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