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Q: Torsion resisting capacity of a given reinforced concrete section..................
  • A. Decreases with decrease in stirrup spacing
  • B. Decreases with increase in longitudinal bars
  • C. Does not depend upon stirrup and longitudinal steels
  • D. Increases with the increases in stirrups and longitudinal steels
Correct Answer: Option D - The amount of torsion a member depends upon the magnitude of the tensional stiffness of the member itself in relation to the stiffness of the interconnection members. In reinforced concrete structures, stiffness decreases considerably after the formation of cracks if the continuity at the joint are not cracks if the continuity at the joint are not considered in the design. • The presence of reinforcement in the form of longitudinal and transverse steel increases the torsional moment carrying capacity of beam.
D. The amount of torsion a member depends upon the magnitude of the tensional stiffness of the member itself in relation to the stiffness of the interconnection members. In reinforced concrete structures, stiffness decreases considerably after the formation of cracks if the continuity at the joint are not cracks if the continuity at the joint are not considered in the design. • The presence of reinforcement in the form of longitudinal and transverse steel increases the torsional moment carrying capacity of beam.

Explanations:

The amount of torsion a member depends upon the magnitude of the tensional stiffness of the member itself in relation to the stiffness of the interconnection members. In reinforced concrete structures, stiffness decreases considerably after the formation of cracks if the continuity at the joint are not cracks if the continuity at the joint are not considered in the design. • The presence of reinforcement in the form of longitudinal and transverse steel increases the torsional moment carrying capacity of beam.