**What size beam do I need for a 24 foot span? - Civil Sir**
https://civilsir.com/what-size-beam-do-i-need-for-a-24-foot-span/

For 24 foot span, size of simply supported beam for 2-3 storey residential building, using thumb rule, is about 15″×18″ in which beam width is 12″ and beam depth is 15″, if width will be kept 12″, depth should increased, then beam size 12″×24″ can be used, providing with 4nos of 16mm bar at top, 4nos of 20mm bar at bottom and 2nos of 16mm crank bar of Fe500 with stirrup [email …

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