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Strengthening of Existing Structure

 
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mukeshkumar121in@gmail.co
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Joined: 02 Jun 2011
Posts: 22

PostPosted: Tue Jun 15, 2021 2:58 pm    Post subject: Strengthening of Existing Structure Reply with quote

Dear Sir,


There is a steel structure building 5 storeyed which is 16 years old
We want to two more stories.
In last 16 years, IS-875 part-3 and seismic code have been revised.
My query is:

1.Whether we should check whole building wrt present latest codes or with old codes.?(As IS-875 part-3 2015 has less wind load as compared to old wind code.


Kindly suggest.

Regards
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vikram.jeet
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Joined: 26 Jan 2003
Posts: 2940

PostPosted: Tue Jun 15, 2021 4:21 pm    Post subject: Reply with quote

Building with additional storeys needs to be checked with as on date Codes , and strengthening to be carried at lower storeys , wherever required as  gravity as well as wind /seismic will , overall, require higher sections

Foundations needs to be checked for increased loadings and moments.
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