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Asalamualaikum It is said that “ There should be no columns with height to depth ratio less than 75% of the nominal height to depth ratio of typical column at that level” for example I have a building having column clear height 10feet and its cross section is 18”x 18”, next to column there is an opening of 3ft wide by 6 feet high till the soffit of the beam. How to check the above provision? what height to depth ratio is need to be considered. I have studied that depth of the column should be parallel to wall? why it needs to be parallel to the wall? Nominal height to depth ratio = 10feet/18inch short column height to depth ratio (unsupported) = 6feet/3feet Is the above calculation correct? Thanks
