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Q: If strain developed in concrete and steel used in a singly reinforced concrete section is equal to its ultimate values then the section is said to be
  • A. None of these
  • B. Under reinforced
  • C. Balanced
  • D. Over reinforced
Correct Answer: Option C - : Balanced section – A balanced section is that in which strain in concrete and steel reaches permissible value reach at same time. Under reinforced section – In an under reinforced section the percentage of steel provided is less than that provided in balanced section. In under reinforced section strain in steel reaches before concrete to its permissible limit. Over reinforced section – In this section the percentage of steel is provided is greater than balanced section. In this section strain of concrete reaches before steel to its permissible value.
C. : Balanced section – A balanced section is that in which strain in concrete and steel reaches permissible value reach at same time. Under reinforced section – In an under reinforced section the percentage of steel provided is less than that provided in balanced section. In under reinforced section strain in steel reaches before concrete to its permissible limit. Over reinforced section – In this section the percentage of steel is provided is greater than balanced section. In this section strain of concrete reaches before steel to its permissible value.

Explanations:

: Balanced section – A balanced section is that in which strain in concrete and steel reaches permissible value reach at same time. Under reinforced section – In an under reinforced section the percentage of steel provided is less than that provided in balanced section. In under reinforced section strain in steel reaches before concrete to its permissible limit. Over reinforced section – In this section the percentage of steel is provided is greater than balanced section. In this section strain of concrete reaches before steel to its permissible value.