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Civil Engineering/Transverse Reinforcement Critieras for Simply Supported Flexural Members

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Expert: - 3/26/2010


Question
Assalam o allaikum , i m a big fan of yours , you have a huge amount of knowledge mashALLAH , May ALLAH give u More Knowledge and wisdom ameen / Sir I have a Question , In ACI COde there are 4 criterias of Tranverse Reinforcement for Flexural Members , The Question is whether these 4 criterias are for simply supported beams or not ? if you have any reference for this then please post this also thanks alot for your time sir

Answer
Hi Umar,

I am not sure which 4 criteria you speak of, but perhaps you mean lateral reinforcement?

Lateral reinforcement in ACI-318 is required for compression rebar in order to stop this buckling. So, if your SS beam is only singly reinforced (i.e. top rebar is just minimum rebar), then you do not need special lateral rebar- just the minimum size/spacing of links. However if your beam is heavily loaded and/or is shallow, so requiring compression rebar on the top, then you will need to comply with the relevant clause.

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Arshad Khan

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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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