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Q: Compression steel reinforcement is provided
  • A. in singly reinforced beams
  • B. when some sections of a fixed with moving loads never go change of sign.
  • C. when the reduction of long-term deflection is needed.
  • D. when the ductility requirement is not to be followed.
Correct Answer: Option C - The major reasons for providing compression reinforcement in concrete structures are- • To reduce long-term deflection due to sustained loading. • To increase ductility • To changing failure mode from compression - initiated to tension initiated. • For case in construction (for example using hanger bars to provide support for stirrups).
C. The major reasons for providing compression reinforcement in concrete structures are- • To reduce long-term deflection due to sustained loading. • To increase ductility • To changing failure mode from compression - initiated to tension initiated. • For case in construction (for example using hanger bars to provide support for stirrups).

Explanations:

The major reasons for providing compression reinforcement in concrete structures are- • To reduce long-term deflection due to sustained loading. • To increase ductility • To changing failure mode from compression - initiated to tension initiated. • For case in construction (for example using hanger bars to provide support for stirrups).