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Civil Engineering/Temperature analysis in R.C.C. building

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Expert: - 11/17/2009


Question
Dear sir,

this is Ravi Shankar, please tell me that what are the process of Temperature analysis in ETABS software. because i have analyzed a 85m long commercial building without expansion joint in temperature stress load it seems it takes no effect of temp.
please also tell about the load combination and BIS codes for temperature load. and process of defining and analysis of  temperature load in ETABS.


Regards
Ravi Shankar
BMSF design consultants

Answer
Hi Ravi,

If your building does not have very stiff columns or shear walls, then the temperature analysis may not show up significant results. Remember also that the range of temperature variation has a major impact on the results- so do input the full range. The temperature load should be applied in similar load combinations/factors  as with wind or seismic loading, but not necessarily additive- you could just replace those loads, otherwise the combination become unrealistically onerous.

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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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