When dowel bars are used, their diameter shall not exceed Answer A.O Diameter of column bar C.O Diameter of column bars by more than 3 mm B.O Diameter of footing bar D.O Diameter of footing bar by more than 3 mm
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Diameter of the bar will vary according to load condition. ... 8mm, 10mm , 12mm because load is less as compared to beam , column, footing. ... In beam we use bars having diameter Greater than 12mm (depends upon load) ... There is no specific reason for not using bar of 14,18, 22 mm etc diameter bar.
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