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  Topic: WHICH IS THE SUPER EASY APPROXIMATE METHOD FOR FRAME ANALYSIS?
abhio

Replies: 4
Views: 345

PostForum: SEFI General Discussion   Posted: Fri Apr 12, 2019 11:11 am   Subject: WHICH IS THE SUPER EASY APPROXIMATE METHOD FOR FRAME ANALYSIS?
If you want to check your computer output, a partial substitute frame analysed by the moment distribution method is your best bet.
  Topic: WHICH IS THE SUPER EASY APPROXIMATE METHOD FOR FRAME ANALYSIS?
abhio

Replies: 4
Views: 345

PostForum: SEFI General Discussion   Posted: Fri Apr 12, 2019 7:58 am   Subject: WHICH IS THE SUPER EASY APPROXIMATE METHOD FOR FRAME ANALYSIS?
Dear Er Matthew,

The coefficients in table 12 of IS: 456 include an allowance for redistribution of moments. Hence, these values won't match an elastic analysis.
  Topic: Dome Support
abhio

Replies: 2
Views: 306

PostForum: SEFI General Discussion   Posted: Sun Apr 07, 2019 5:12 am   Subject: Dome Support
Dear Er Moin,

The cantilever beams really ought to be tied back so as to transfer predominantly vertical loads on to the columns. At present, the columns have to carry large bending moments due to ...
  Topic: Automate Reinforcement Process in FreeCAD
abhio

Replies: 10
Views: 698

PostForum: SEFI General Discussion   Posted: Mon Apr 01, 2019 9:23 am   Subject: Automate Reinforcement Process in FreeCAD
Dear Mr Suraj,

I'd be glad to help in any open source project. I have not yet been able to review your linked discussion, but I'll get in touch with you soon.

Regards,

Abhijeet Oundhakar
  Topic: hydraulic steel gate
abhio

Replies: 3
Views: 243

PostForum: SEFI General Discussion   Posted: Tue Mar 26, 2019 1:54 pm   Subject: hydraulic steel gate
Dear Er Santosh,

Please find attached a simple spreadsheet for moment distribution for your structure.

Regards,

A S Oundhakar
  Topic: Design of blast wall
abhio

Replies: 1
Views: 239

PostForum: SEFI General Discussion   Posted: Tue Mar 26, 2019 12:49 pm   Subject: Design of blast wall
Dear Er,

Please see ASCE/ SEI report on design of blast resistant structures for petrochemical facilities.

"Dynamics of structures" by J M Biggs is also very good.
  Topic: hydraulic steel gate
abhio

Replies: 3
Views: 243

PostForum: SEFI General Discussion   Posted: Tue Mar 26, 2019 10:24 am   Subject: hydraulic steel gate
Dear Er Santosh,

Moment distribution is quite simple, but would take a lot of steps (with consequent loss of accuracy) for multiple spans. I'd not do it today for more than 3 spans. Why not use a f ...
  Topic: Mumbai foot bridge collapse - reasons?
abhio

Replies: 8
Views: 837

PostForum: SEFI General Discussion   Posted: Mon Mar 18, 2019 6:49 am   Subject: Mumbai foot bridge collapse - reasons?
Sir,

Politicians' greatest skill is in reaching positions of responsibility and then in avoiding all responsibility. However, I would suggest that this forum isn't the right place to discuss/ curse ...
  Topic: Mumbai foot bridge collapse - reasons?
abhio

Replies: 8
Views: 837

PostForum: SEFI General Discussion   Posted: Sun Mar 17, 2019 5:55 am   Subject: Mumbai foot bridge collapse - reasons?
Dear Prabhakar Sir,

Thank you for your insights. It is clear that this is a connection failure, probably due to fatigue compounded by corrosion. However, I am still mystified why multiple beams fai ...
  Topic: Mumbai foot bridge collapse - reasons?
abhio

Replies: 8
Views: 837

PostForum: SEFI General Discussion   Posted: Sat Mar 16, 2019 6:02 am   Subject: Mumbai foot bridge collapse - reasons?
Dear all,

I have seen some photos of the bridge at CST after the failure. It is seen that the bridge trusses are intact, but about 14m length of the deck has collapsed. This deck (as seen from the ...
 
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