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Download Comments On Proposed Draft Provisions For Seismic Design Of ESR

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NDIAN ASSOCIATION OF STRUCTURAL ENGINEERS
( Gujarat State Centre )
CENTER  FOR ENVIRONMENTAL PLANNING AND TECHNOLOGY
UNIVERSITY ROAD,  NAVARANGPURA,  AHMEDABAD – 380 009.
Web :  www.iaseguj.org,  e-mail: secy(--nospam--at)iaseguj.org
_____________________________________________________________________________________________
 
 
Date : 24-11-2004
 
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Message for Structural Engineers in India
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Dear Sir,
  
Sub :Download Comments On Proposed Draft Provisions For Seismic Design Of Elevated  Tanks supported on R.C. shafts      
 
This has reference to the proposed draft code for seismic analysis & design of E.S.R.. The same may be downloaded by going to : www.nicee.org. It has been observed that response reduction factor for tank supported on the shaft is reduced to 1.5. This leads to increase in earthquake force in the water tanks by almost 3 times than as calculated by IS:1893-1984. This is the opinion of the authors of the code that water tanks supported on the shaft do not perform well during earthquake as compared to that supported on beam – column staging. On the other hand, several tanks with shafts have performed well in the recent earthquake.
 
The meeting was organised by Indian Association of Structural Engineers (Gujarat State Centre) for discussions on the above mentioned subject on 25-09-04. Based on the meeting, the report is prepared. The report has been submitted to IAStructE Head Office (New Delhi) for further submission to Bureau of Indian Standards.
 
The report may be downloaded by going to :
http://www.iaseguj.org/forum/Files/viewthread.php?tid=109&page=1#pid160
 
Kindly go through the same and send us your views/suggestions/questions at : Iaseforum(--nospam--at)iaseguj.org
 
 

Regards,
 
Bhavin Shah
Hon. Secretary
Indian Association of Structural Engineers, Gujarat Centre
 
 
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