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Dr. N. Subramanian General Sponsor


Joined: 21 Feb 2008 Posts: 5442 Location: Gaithersburg, MD, U.S.A.
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Posted: Mon Nov 06, 2006 6:33 am Post subject: L , T and + columns |
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Dear Mr. Perwez,
Prof.Sinha has written some papers on L,T, and + columns in the Bridge and structural Enginee, Journal of ING/IABSE. I do not remember the year now. You can get it by searching in the web(IRcon has provided the abstract of all the papers in this journal available on the NEt). In fact he Prof.Sinha has compiled all the papers and made it available in his handbook.
Hope this will help. Best wishes Subramanian
Message From perwez[AT]lnt... Subject: RE: Design of L-shape & T-shape Concrete Column Date: 04/11/06 Time: 12:11:27 ------------------------- Dear All Greetings! Thanks a lot Mr. Anil & Mr. Prem for such a prompt help. I've gone through SN Sinha's Hand Book. In fact I'm interested in developing software for design of L/T columns. So hand book is not helping much. Becos full background of charts (formula etc) is not available. I'm having some queries also like 1. To decide column is short or long, what shud be the criteria. For rectangular it is L/D=12, in term or L/r=40, Should we use 40 or we should use ACI guidance i.e. 22 for unbraced and 34 for braced. 2. For biaxial checking, code has given formula of alpha-n based on axial load level. Is same value valid for non-rectangular section. Bcos given alpha-n is approximate (empirical) value, may be valid for symmetric shape only. I'll be waiting for reference of books and journals related to L/T column design and your point of view on above queries. Regards and thanks Perwez Ahmad
Dr.N.Subramanian,Ph.D.,F.ASCE, M.ACI,FIE,P.E., Chief Executive, Computer Design Consultants, email:drnsmani[AT]yah...
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