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Q: The shear strength of an RCC beam depends on which of the following factors?
  • A. The type of cement
  • B. The grade of the concrete
  • C. The zone of fine aggregate
  • D. The grade of the steel
Correct Answer: Option B - Shear reinforcement–Shear strength assigned to concrete depends on many factors including concrete compressive strength and sectional dimensions. Shear strength of reinforcement depends on the cross sectional area and spacing of shear stirrups. Design codes specify minimum and maximum shear reinforcement to prevent brittle shear failure due to low shear reinforcement and excessive shear cracking due to high stress in the stirrups in the case of high shear forces and relatively small concrete sections.
B. Shear reinforcement–Shear strength assigned to concrete depends on many factors including concrete compressive strength and sectional dimensions. Shear strength of reinforcement depends on the cross sectional area and spacing of shear stirrups. Design codes specify minimum and maximum shear reinforcement to prevent brittle shear failure due to low shear reinforcement and excessive shear cracking due to high stress in the stirrups in the case of high shear forces and relatively small concrete sections.

Explanations:

Shear reinforcement–Shear strength assigned to concrete depends on many factors including concrete compressive strength and sectional dimensions. Shear strength of reinforcement depends on the cross sectional area and spacing of shear stirrups. Design codes specify minimum and maximum shear reinforcement to prevent brittle shear failure due to low shear reinforcement and excessive shear cracking due to high stress in the stirrups in the case of high shear forces and relatively small concrete sections.