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About Arshad Khan
Expertise
I can answer any questions to do with 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: 33 years in Construction and consultancy in UK, Kenya, Tanzania, Uganda, Ethiopia, Eritrea, South Africa, Somalia, Austria, Bahrain and the U.A.E.

Organizations: Fellow of Institution of Structural Engineers (UK), Fellow of Institution of Civil Engineers(UK),Registered Engineer Kenya, Chartered Engineer (UK)

Publications: Proceedings of 2 International Conferences; Education: BSc, MSc, D.I.C.

You are here: Experts > Science > Civil Engineering > Civil Engineering > Flat slab design of tall building

Civil Engineering - Flat slab design of tall building

Expert: Arshad Khan - 10/30/2009

Question
Refer to the question and your answer at
http://en.allexperts.com/q/Civil-Engineering-1357/2009/5/Flat-Slab.htm#b
My further question is that, for tall building is it correct if I design the flat slab by SAFE (with vertical load only) and then design the columns & shearwalls by ETAB with 3D model (vertical & horizontal load)?

Answer
Hi Nguyun,

Yes, your approach can work so long as you do not intend the slabs to be fully-fixed to the core walls and shear walls (i.e. no or little moment transfer). If you do require fixity, then the slabs need to be designed for the additional moments induced by the lateral sway/rotation of the frames and walls caused by lateral loading.

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