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  Topic: IS IT POSSIBLE TO DESIGN A 100MM SLAB, if the required depth is 130mm as per L/D ratio??
Dr. N. Subramanian

Replies: 6
Views: 655

PostForum: SEFI General Discussion   Posted: Tue Mar 05, 2019 4:36 pm   Subject: IS IT POSSIBLE TO DESIGN A 100MM SLAB, if the required depth is 130mm as per L/D ratio??
Dear Er.Renju Mathew,

Depth is directly related to the deflection. May be by using doubly reinforced section or over reinforced section you may satisfy the strength but can't satisfy deflection cr ...
  Topic: Indian Concrete Journal Will be continued but with a different team
Dr. N. Subramanian

Replies: 12
Views: 2040

PostForum: SEFI General Discussion   Posted: Sun Jan 20, 2019 5:35 am   Subject: Re: Indian Concrete Journal Will be continued but with a different team
Dear All
I wish to inform all that the Jan 2019 issue of ICJ has been published as a special issue on Fibres in Concrete. Hope that the other subscribers also got this issue with a new look.

Best ...
  Topic: Leo Szilard-bored with Engg. Invented in Physics and Biology!
Dr. N. Subramanian

Replies: 0
Views: 349

PostForum: Engineering Marvels   Posted: Sun Jan 06, 2019 4:28 am   Subject: Leo Szilard-bored with Engg. Invented in Physics and Biology!
This time I am giving below the details of a scientist who may not be welknown but started to study engineering, but got degree in Physics and later switched to biology and invented a lot!
[LEFT]
[C ...
  Topic: List of World's top 4000 Scientists Released-India has oly 10 names?
Dr. N. Subramanian

Replies: 0
Views: 455

PostForum: SEFI General Discussion   Posted: Fri Jan 04, 2019 10:57 pm   Subject: List of World's top 4000 Scientists Released-India has oly 10 names?
https://timesofindia.indiatimes.com/india/only-10-indians-on-list-of-worlds-4000-top-scientists/articleshow/67374084.cms

https://im.rediff.com/news/2013/nov/22cnr-rao.jpg[/HIGHLIGHT][/SIZE][/FONT][ ...
  Topic: Call attention to dangerous problems
Dr. N. Subramanian

Replies: 4
Views: 720

PostForum: Feature Requests   Posted: Fri Jan 04, 2019 8:04 pm   Subject: Re: Call attention to dangerous problems
I wish you appreciate Er Abhijeet Oundhakar for this suggestion and Er Rajeev for taking action.

Warm regards
Subramanian
Dear Admin,

We need a facility to flag posts for potentially dangerous ...
  Topic: Prof. R.N. Swamy- Doyen of cement and concrete
Dr. N. Subramanian

Replies: 1
Views: 4814

PostForum: Engineering Marvels   Posted: Wed Jan 02, 2019 8:47 pm   Subject: Prof. R.N. Swamy passed away
I am very sad and sorry to report that one of the pioneers of concrete education and research in the UK, Prof. R Narayan Swamy, Professor Emeritus at the University of Sheffield, passed away peacefull ...
  Topic: New Version of ACI 318-Draft Available in ACI website
Dr. N. Subramanian

Replies: 0
Views: 435

PostForum: SEFI General Discussion   Posted: Fri Dec 21, 2018 7:12 pm   Subject: New Version of ACI 318-Draft Available in ACI website
The American Concrete Institute expects to publish “ACI 318-19: Building Code Requirements for Structural Concrete,” in 2019. The new edition will be the first since the reorganized format was publis ...
  Topic: which builtup section is stronger l) laced column 2)battened columns
Dr. N. Subramanian

Replies: 2
Views: 1066

PostForum: SEFI General Discussion   Posted: Sat Nov 17, 2018 3:56 pm   Subject: Re: which builtup section is stronger l) laced column 2)battened columns
Dear Er Ravikumar,

Please see pp.404 of my Steel Design book, 2nd edition.

Battened columns have the least resistance compared to laced columns and perforated plates(which are used in USA) and ...
  Topic: SEFI NEEDS YOUR SUPPORT...
Dr. N. Subramanian

Replies: 72
Views: 12389

PostForum: SEFI General Discussion   Posted: Sat Nov 17, 2018 3:50 pm   Subject: SEFI NEEDS YOUR SUPPORT...
Hope you received my annual contribution of Rs. 3000 transferred from my bank account two days ago.

Best wishes
NS

We will surely explore the possibility of setting up UPI ID for a saving accou ...
  Topic: Base plate thickness calculation due to large moments and axial load
Dr. N. Subramanian

Replies: 9
Views: 1757

PostForum: SEFI General Discussion   Posted: Sat Nov 17, 2018 3:48 pm   Subject: Re: Base plate thickness calculation due to large moments and axial load
Dear Er Hasan

You need to see pp.663 of the 2nd edition. I believe the same example should be there in the first edition also. But I do not know the page number now. Check in the chapter on Base pl ...
 
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