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Civil Engineering/Cement floor tiles

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Expert: - 6/29/2011


Question
I have made cement floor tiles with steel slag by replacing various percentage of OPC.  After water curing of 28 days, its Cold Compressive strength (CCS)were checked and found satisfactory for residential use.
Again concrete blocks were made with same percentage of steel slag and OPC with coarse aggregate.Water cured for 28 days and CCS were measured. Results were satisfactory.

Now please tell me is it enough to establish the use of steel slag with OPC or what minimum test should be conducted? I have less facility for other tests.

Answer
Hi Satya,

I would say that for use as floor tiles and blocks, your CCS tests would be sufficient- perhaps you should do some permeability too tests to ensure durability.

I would also suggest you consult the loacl authority as they may have specific requirements that I am not aware of.

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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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