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Civil Engineering/Omega factor in Transfer beam

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Question
QUESTION: Dear Sir,
Good Day
How can I consider an omega factor for the Transfer beam in my G+P+9+R Building ,Do I need to make seperate etabs model for the transfer beams as well as  for the other structural members.Appreciate for your advice.
Regards,

ANSWER: Hi Ravi,

Can you not have a unique property for the transfer beams and assign omega factors accordingly? Or am I not understanding the question?

---------- FOLLOW-UP ----------

QUESTION: Hi Sir,
May I know generally Is it feasible to provide a transfer beam of size 500x1000 for a G+P+9+R .The transfer beam location is on the Podium roof floor and hence eight floors are above of it.Regards,

Answer
Hi Ravi,

Yes, that is quite feasible- the size will be determined by shear and moment forces and reasonable density of rebar. It is better to have this as ordinary RC instead of post-tensioned, as the latter leads to problems with staged stressing requirements.

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Arshad Khan

Expertise

I can answer any questions to do with civil and structural engineering consultancy and construction industry in East Africa and the Middle East, and specifically with the analysis and design of reinforced concrete structures. My particular expertise is in the aseismic design and optimisation of tall buildings.

Experience

Employment history: 40 years in Construction and consultancy in the UK, Kenya, Tanzania, Uganda, Ethiopia, Eritrea, South Africa, Somalia, Zambia, Austria, Bahrain, Kuwait, Doha and the U.A.E.

Organizations
.Fellow of Institution of Structural Engineers (UK) .Fellow of Institution of Civil Engineers(UK) .Member of the Institution of Engineers, Kenya .Registered Engineer, ERB, Kenya .Member of the Architectural Association of Kenya (Engineers Chapter) .Chartered Engineer (UK)

Publications
•1984: International Conference on the Art and Practice of Structural Design, London •1994: 3rd Int. Kerensky Conference in Structural Engineering, Singapore •2008: International Conference on High-Rise Towers, Abu Dhabi •2013: IEK International Conference, Kisumu, Kenya

Education/Credentials
BSc, 1st Class Hons, in Building Engineering, University of Bath, UK MSc in Concrete Structures and Technology, University of London. Diploma of Imperial College, UK.

Awards and Honors
•Science Congress Special Award (for 2-seater Hovercraft - 1968) •Institution of Civil Engineers Award for outstanding performance at Bath University (1975) •Concrete Society Postgraduate study Bursary Award (1976) •Consular Representative for British High Commission, Nairobi. (1995 to 1998) •Examiner for Institution of Civil Engineers Professional Interviews, Nairobi. (1997 to 1998) •Branch Representative in Vienna for PI assessment for Inst. of Struct. Engrs. (1999 to 2010)

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