Answer / pandiyan.m

singly reinforced beam is reinforced at tension zone alone
and doubly reinforced beam is reinforced at both zones and
difference is singiy cannot take too much loads

Answer / himel

when rf is reqd in only tensile zone of beam, its called
singly rc beam, when moment is large enough is to reqd to
provide rf at compression zone also,called douly rc beam.
load variation is the only difference betn these two.

Answer / kamal pandey

single rc beam is reinforced at tension zone only and doubly
rc beam is reinforced at comperesion & tension
zone.difference is singly cannot take too much loads

Answer / vasanth

In singly reinforced beam limiting moment of resistance is higher than design moment. And the reinforcement designed for tension zone only.
In doubly reinforced beam limiting moment of resistance is lower than design moment. And the reinforcement designed for both tension zone and compression zone.

Answer / desai ankit

In singly rc beam,reinforcement is provided on tension side only.While in doubly rc beam ,reinforcement is provided on compression

Answer / anil kumar

singly rc beam is defined as in which single bent up bar is
used & doubly rc beams may be defined as in which two or
three bent up bar are used are termed doubly reinforced beam

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