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Re: Column design

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1. Ask the architect to go to hell.
2. Increase concrete strength
3. Use steel column with concrete encasement


Ashraf Manjappara <ashraf.manjappara(--nospam--at)> wrote:
I have to design a RCC framed structure to support a LL of 22kN/m2 with a span of 6m,bay length of 4.2m. Architect is insisting on 20cm X 40cm wide column, 20cm is the width parallel to span.
I am not able to design that column for moment since width is just 20cm.Could you suggest a way to reduce the column moment or else an alternate solution.
As far as I know most of the designers in Kuwait does not  design end or corner columns of RCC frames for moment. They simply assume that it's simply supported and design column for axial load only and they design the beam for simply supported  moment. For eg. for udl they design the beams of frames for wl2/8 in one span frames.
Its really shocking for me. I started working in Kuwait last month only. So many designers here are saying that no need to design column for moment if building is  below 6 stories. I am not able to understand their logic and they are not accepting my view that every column should be designed for the moment it attracts.  They are forcing me to design columns only for axial load please make your comments.

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