Post by LipTangkins

For 20 foot span, size of beam for 2-3 storey residential building, using thumb rule,1 foot (span of the beam) = 1inch (depth of beam), is about 12″×18″ in which beam width is 12″ and beam depth is 18″ providing with 2nos of 12mm bar at top, 2nos of 16mm bar at bottom and 2nos of 12mm crank bar of Fe500 with stirrup T8 ...