Correct option is C
Compression reinforcement in a doubly reinforced beam is enclosed by stirrups to prevent the compression bars from buckling and to confine the surrounding concrete, which improves the beam’s ductility and overall performance.
Why must compression reinforcement in a doubly reinforced beam be enclosed by stirrups?
Compression reinforcement in a doubly reinforced beam is enclosed by stirrups to prevent the compression bars from buckling and to confine the surrounding concrete, which improves the beam’s ductility and overall performance.