Where do we use singly and doubly reinforced beam in construction purposes

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Where do we use singly and doubly reinforced beam in construction purposes..

Answer / taral.tjp@gmail.com

when moment of resistance is more in tension zone (bottom of beam) than extra reinforcement to be provide in compression zone ( top of beam). threre should be provide doubly rc beam otherwise singly rc beam .

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Where do we use singly and doubly reinforced beam in construction purposes..

Answer / menaka

When there's chance for reversal of stresses we go for doubly reinforced sections to increase moment of resistance

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