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Civil Engineering/design of seismic building

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Expert: - 12/5/2011


Question
Assalamualiakum Sir!
         Plz sir help me regarding a very major problem..
Sir am doing my Final year Project..My project Topic is "Comparison of RC buildings With and without Base isolation"..The height of building is 95ft n it is located in seismic zone 3...we have only done Static analysis not Dynamic one..is it satisfactory??UBc also state that dynamic analysis is necessary for the buildings which are higher than 65ft.....now our final presentatn is very near...plz sir tell me if the question arrises why u have not done dynamic analysis then how should i defend???
I will very thankfull for your help..

Answer
Hi Fiza,

Strictly speaking, you should do dynamic amalysis for both options, but if you are running out of time you could justify not doing this because what you are doing is a COMPARISION. So long as the static analysis parameters are the same for both options, your comparision of base shears should be a valid outcome.

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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: 36 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

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 date)

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